19710600

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:77

約数の個数: 288

約数和(自身を含む): 79369920

約数和(自身を除く): 59659320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 25, 26, 28, 30, 35, 38, 39, 40, 42, 50, 52, 56, 57, 60, 65, 70, 75, 76, 78, 84, 91, 95, 100, 104, 105, 114, 120, 130, 133, 140, 150, 152, 156, 168, 175, 182, 190, 195, 200, 210, 228, 247, 260, 266, 273, 280, 285, 300, 312, 325, 350, 361, 364, 380, 390, 399, 420, 455, 456, 475, 494, 520, 525, 532, 546, 570, 600, 650, 665, 700, 722, 728, 741, 760, 780, 798, 840, 910, 950, 975, 988, 1050, 1064, 1083, 1092, 1140, 1235, 1300, 1330, 1365, 1400, 1425, 1444, 1482, 1560, 1596, 1729, 1805, 1820, 1900, 1950, 1976, 1995, 2100, 2166, 2184, 2275, 2280, 2470, 2527, 2600, 2660, 2730, 2850, 2888, 2964, 3192, 3325, 3458, 3610, 3640, 3705, 3800, 3900, 3990, 4200, 4332, 4550, 4693, 4940, 5054, 5187, 5320, 5415, 5460, 5700, 5928, 6175, 6650, 6825, 6916, 7220, 7410, 7581, 7800, 7980, 8645, 8664, 9025, 9100, 9386, 9880, 9975, 10108, 10374, 10830, 10920, 11400, 12350, 12635, 13300, 13650, 13832, 14079, 14440, 14820, 15162, 15960, 17290, 18050, 18200, 18525, 18772, 19950, 20216, 20748, 21660, 23465, 24700, 25270, 25935, 26600, 27075, 27300, 28158, 29640, 30324, 32851, 34580, 36100, 37050, 37544, 37905, 39900, 41496, 43225, 43320, 46930, 49400, 50540, 51870, 54150, 54600, 56316, 60648, 63175, 65702, 69160, 70395, 72200, 74100, 75810, 79800, 86450, 93860, 98553, 101080, 103740, 108300, 112632, 117325, 126350, 129675, 131404, 140790, 148200, 151620, 164255, 172900, 187720, 189525, 197106, 207480, 216600, 234650, 252700, 259350, 262808, 281580, 303240, 328510, 345800, 351975, 379050, 394212, 469300, 492765, 505400, 518700, 563160, 657020, 703950, 758100, 788424, 821275, 938600, 985530, 1037400, 1314040, 1407900, 1516200, 1642550, 1971060, 2463825, 2815800, 3285100, 3942120, 4927650, 6570200, 9855300, 19710600]

約数ペア:

[(1, 19710600), (2, 9855300), (3, 6570200), (4, 4927650), (5, 3942120), (6, 3285100), (7, 2815800), (8, 2463825), (10, 1971060), (12, 1642550), (13, 1516200), (14, 1407900), (15, 1314040), (19, 1037400), (20, 985530), (21, 938600), (24, 821275), (25, 788424), (26, 758100), (28, 703950), (30, 657020), (35, 563160), (38, 518700), (39, 505400), (40, 492765), (42, 469300), (50, 394212), (52, 379050), (56, 351975), (57, 345800), (60, 328510), (65, 303240), (70, 281580), (75, 262808), (76, 259350), (78, 252700), (84, 234650), (91, 216600), (95, 207480), (100, 197106), (104, 189525), (105, 187720), (114, 172900), (120, 164255), (130, 151620), (133, 148200), (140, 140790), (150, 131404), (152, 129675), (156, 126350), (168, 117325), (175, 112632), (182, 108300), (190, 103740), (195, 101080), (200, 98553), (210, 93860), (228, 86450), (247, 79800), (260, 75810), (266, 74100), (273, 72200), (280, 70395), (285, 69160), (300, 65702), (312, 63175), (325, 60648), (350, 56316), (361, 54600), (364, 54150), (380, 51870), (390, 50540), (399, 49400), (420, 46930), (455, 43320), (456, 43225), (475, 41496), (494, 39900), (520, 37905), (525, 37544), (532, 37050), (546, 36100), (570, 34580), (600, 32851), (650, 30324), (665, 29640), (700, 28158), (722, 27300), (728, 27075), (741, 26600), (760, 25935), (780, 25270), (798, 24700), (840, 23465), (910, 21660), (950, 20748), (975, 20216), (988, 19950), (1050, 18772), (1064, 18525), (1083, 18200), (1092, 18050), (1140, 17290), (1235, 15960), (1300, 15162), (1330, 14820), (1365, 14440), (1400, 14079), (1425, 13832), (1444, 13650), (1482, 13300), (1560, 12635), (1596, 12350), (1729, 11400), (1805, 10920), (1820, 10830), (1900, 10374), (1950, 10108), (1976, 9975), (1995, 9880), (2100, 9386), (2166, 9100), (2184, 9025), (2275, 8664), (2280, 8645), (2470, 7980), (2527, 7800), (2600, 7581), (2660, 7410), (2730, 7220), (2850, 6916), (2888, 6825), (2964, 6650), (3192, 6175), (3325, 5928), (3458, 5700), (3610, 5460), (3640, 5415), (3705, 5320), (3800, 5187), (3900, 5054), (3990, 4940), (4200, 4693), (4332, 4550)]