20138402900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:655

約数の個数: 288

約数和(自身を含む): 56636375040

約数和(自身を除く): 36497972140

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 124, 140, 154, 155, 175, 217, 220, 239, 275, 308, 310, 341, 350, 353, 385, 434, 478, 550, 620, 682, 700, 706, 770, 775, 868, 956, 1085, 1100, 1195, 1364, 1412, 1540, 1550, 1673, 1705, 1765, 1925, 2170, 2387, 2390, 2471, 2629, 3100, 3346, 3410, 3530, 3850, 3883, 4340, 4774, 4780, 4942, 5258, 5425, 5975, 6692, 6820, 7060, 7409, 7700, 7766, 8365, 8525, 8825, 9548, 9884, 10516, 10850, 10943, 11935, 11950, 12355, 13145, 14818, 15532, 16730, 17050, 17650, 18403, 19415, 21700, 21886, 23870, 23900, 24710, 26290, 27181, 29636, 33460, 34100, 35300, 36806, 37045, 38830, 41825, 43772, 47740, 49420, 51863, 52580, 54362, 54715, 59675, 61775, 65725, 73612, 74090, 76601, 77660, 81499, 83650, 84367, 92015, 97075, 103726, 108724, 109430, 119350, 120373, 123550, 131450, 135905, 148180, 153202, 162998, 167300, 168734, 184030, 185225, 194150, 207452, 218860, 238700, 240746, 247100, 259315, 262900, 271810, 273575, 306404, 325996, 337468, 368060, 370450, 383005, 388300, 407495, 421835, 460075, 481492, 518630, 543620, 547150, 570493, 590569, 601865, 679525, 740900, 766010, 814990, 842611, 843670, 920150, 928037, 1037260, 1094300, 1140986, 1181138, 1203730, 1296575, 1359050, 1532020, 1629980, 1685222, 1687340, 1840300, 1856074, 1915025, 2037475, 2109175, 2281972, 2362276, 2407460, 2593150, 2615377, 2718100, 2852465, 2952845, 3009325, 3370444, 3712148, 3830050, 4074950, 4213055, 4218350, 4640185, 5186300, 5230754, 5704930, 5905690, 6018650, 6496259, 7660100, 8149900, 8426110, 8436700, 9280370, 10461508, 11409860, 11811380, 12037300, 12992518, 13076885, 14262325, 14764225, 16852220, 18307639, 18560740, 21065275, 23200925, 25985036, 26153770, 28524650, 28769147, 29528450, 32481295, 36615278, 42130550, 46401850, 52307540, 57049300, 57538294, 59056900, 64962590, 65384425, 73230556, 84261100, 91538195, 92803700, 115076588, 129925180, 130768850, 143845735, 162406475, 183076390, 201384029, 261537700, 287691470, 324812950, 366152780, 402768058, 457690975, 575382940, 649625900, 719228675, 805536116, 915381950, 1006920145, 1438457350, 1830763900, 2013840290, 2876914700, 4027680580, 5034600725, 10069201450, 20138402900]

約数ペア:

[(1, 20138402900), (2, 10069201450), (4, 5034600725), (5, 4027680580), (7, 2876914700), (10, 2013840290), (11, 1830763900), (14, 1438457350), (20, 1006920145), (22, 915381950), (25, 805536116), (28, 719228675), (31, 649625900), (35, 575382940), (44, 457690975), (50, 402768058), (55, 366152780), (62, 324812950), (70, 287691470), (77, 261537700), (100, 201384029), (110, 183076390), (124, 162406475), (140, 143845735), (154, 130768850), (155, 129925180), (175, 115076588), (217, 92803700), (220, 91538195), (239, 84261100), (275, 73230556), (308, 65384425), (310, 64962590), (341, 59056900), (350, 57538294), (353, 57049300), (385, 52307540), (434, 46401850), (478, 42130550), (550, 36615278), (620, 32481295), (682, 29528450), (700, 28769147), (706, 28524650), (770, 26153770), (775, 25985036), (868, 23200925), (956, 21065275), (1085, 18560740), (1100, 18307639), (1195, 16852220), (1364, 14764225), (1412, 14262325), (1540, 13076885), (1550, 12992518), (1673, 12037300), (1705, 11811380), (1765, 11409860), (1925, 10461508), (2170, 9280370), (2387, 8436700), (2390, 8426110), (2471, 8149900), (2629, 7660100), (3100, 6496259), (3346, 6018650), (3410, 5905690), (3530, 5704930), (3850, 5230754), (3883, 5186300), (4340, 4640185), (4774, 4218350), (4780, 4213055), (4942, 4074950), (5258, 3830050), (5425, 3712148), (5975, 3370444), (6692, 3009325), (6820, 2952845), (7060, 2852465), (7409, 2718100), (7700, 2615377), (7766, 2593150), (8365, 2407460), (8525, 2362276), (8825, 2281972), (9548, 2109175), (9884, 2037475), (10516, 1915025), (10850, 1856074), (10943, 1840300), (11935, 1687340), (11950, 1685222), (12355, 1629980), (13145, 1532020), (14818, 1359050), (15532, 1296575), (16730, 1203730), (17050, 1181138), (17650, 1140986), (18403, 1094300), (19415, 1037260), (21700, 928037), (21886, 920150), (23870, 843670), (23900, 842611), (24710, 814990), (26290, 766010), (27181, 740900), (29636, 679525), (33460, 601865), (34100, 590569), (35300, 570493), (36806, 547150), (37045, 543620), (38830, 518630), (41825, 481492), (43772, 460075), (47740, 421835), (49420, 407495), (51863, 388300), (52580, 383005), (54362, 370450), (54715, 368060), (59675, 337468), (61775, 325996), (65725, 306404), (73612, 273575), (74090, 271810), (76601, 262900), (77660, 259315), (81499, 247100), (83650, 240746), (84367, 238700), (92015, 218860), (97075, 207452), (103726, 194150), (108724, 185225), (109430, 184030), (119350, 168734), (120373, 167300), (123550, 162998), (131450, 153202), (135905, 148180)]