209955900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 288

約数和(自身を含む): 774950400

約数和(自身を除く): 564994500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 61, 66, 70, 75, 77, 84, 100, 105, 110, 122, 132, 140, 149, 150, 154, 165, 175, 183, 210, 220, 231, 244, 275, 298, 300, 305, 308, 330, 350, 366, 385, 420, 427, 447, 462, 525, 550, 596, 610, 660, 671, 700, 732, 745, 770, 825, 854, 894, 915, 924, 1043, 1050, 1100, 1155, 1220, 1281, 1342, 1490, 1525, 1540, 1639, 1650, 1708, 1788, 1830, 1925, 2013, 2086, 2100, 2135, 2235, 2310, 2562, 2684, 2980, 3050, 3129, 3278, 3300, 3355, 3660, 3725, 3850, 4026, 4172, 4270, 4470, 4575, 4620, 4697, 4917, 5124, 5215, 5775, 6100, 6258, 6405, 6556, 6710, 7450, 7700, 8052, 8195, 8540, 8940, 9089, 9150, 9394, 9834, 10065, 10430, 10675, 11175, 11473, 11550, 12516, 12810, 13420, 14091, 14900, 15645, 16390, 16775, 18178, 18300, 18788, 19668, 20130, 20860, 21350, 22350, 22946, 23100, 23485, 24585, 25620, 26075, 27267, 28182, 31290, 32025, 32780, 33550, 34419, 36356, 40260, 40975, 42700, 44700, 45445, 45892, 46970, 49170, 50325, 52150, 54534, 56364, 57365, 62580, 63623, 64050, 67100, 68838, 70455, 78225, 81950, 90890, 93940, 98340, 99979, 100650, 104300, 109068, 114730, 117425, 122925, 127246, 128100, 136335, 137676, 140910, 156450, 163900, 172095, 181780, 190869, 199958, 201300, 227225, 229460, 234850, 245850, 254492, 272670, 281820, 286825, 299937, 312900, 318115, 344190, 352275, 381738, 399916, 454450, 469700, 491700, 499895, 545340, 573650, 599874, 636230, 681675, 688380, 699853, 704550, 763476, 860475, 908900, 954345, 999790, 1147300, 1199748, 1272460, 1363350, 1399706, 1409100, 1499685, 1590575, 1720950, 1908690, 1999580, 2099559, 2499475, 2726700, 2799412, 2999370, 3181150, 3441900, 3499265, 3817380, 4199118, 4771725, 4998950, 5998740, 6362300, 6998530, 7498425, 8398236, 9543450, 9997900, 10497795, 13997060, 14996850, 17496325, 19086900, 20995590, 29993700, 34992650, 41991180, 52488975, 69985300, 104977950, 209955900]

約数ペア:

[(1, 209955900), (2, 104977950), (3, 69985300), (4, 52488975), (5, 41991180), (6, 34992650), (7, 29993700), (10, 20995590), (11, 19086900), (12, 17496325), (14, 14996850), (15, 13997060), (20, 10497795), (21, 9997900), (22, 9543450), (25, 8398236), (28, 7498425), (30, 6998530), (33, 6362300), (35, 5998740), (42, 4998950), (44, 4771725), (50, 4199118), (55, 3817380), (60, 3499265), (61, 3441900), (66, 3181150), (70, 2999370), (75, 2799412), (77, 2726700), (84, 2499475), (100, 2099559), (105, 1999580), (110, 1908690), (122, 1720950), (132, 1590575), (140, 1499685), (149, 1409100), (150, 1399706), (154, 1363350), (165, 1272460), (175, 1199748), (183, 1147300), (210, 999790), (220, 954345), (231, 908900), (244, 860475), (275, 763476), (298, 704550), (300, 699853), (305, 688380), (308, 681675), (330, 636230), (350, 599874), (366, 573650), (385, 545340), (420, 499895), (427, 491700), (447, 469700), (462, 454450), (525, 399916), (550, 381738), (596, 352275), (610, 344190), (660, 318115), (671, 312900), (700, 299937), (732, 286825), (745, 281820), (770, 272670), (825, 254492), (854, 245850), (894, 234850), (915, 229460), (924, 227225), (1043, 201300), (1050, 199958), (1100, 190869), (1155, 181780), (1220, 172095), (1281, 163900), (1342, 156450), (1490, 140910), (1525, 137676), (1540, 136335), (1639, 128100), (1650, 127246), (1708, 122925), (1788, 117425), (1830, 114730), (1925, 109068), (2013, 104300), (2086, 100650), (2100, 99979), (2135, 98340), (2235, 93940), (2310, 90890), (2562, 81950), (2684, 78225), (2980, 70455), (3050, 68838), (3129, 67100), (3278, 64050), (3300, 63623), (3355, 62580), (3660, 57365), (3725, 56364), (3850, 54534), (4026, 52150), (4172, 50325), (4270, 49170), (4470, 46970), (4575, 45892), (4620, 45445), (4697, 44700), (4917, 42700), (5124, 40975), (5215, 40260), (5775, 36356), (6100, 34419), (6258, 33550), (6405, 32780), (6556, 32025), (6710, 31290), (7450, 28182), (7700, 27267), (8052, 26075), (8195, 25620), (8540, 24585), (8940, 23485), (9089, 23100), (9150, 22946), (9394, 22350), (9834, 21350), (10065, 20860), (10430, 20130), (10675, 19668), (11175, 18788), (11473, 18300), (11550, 18178), (12516, 16775), (12810, 16390), (13420, 15645), (14091, 14900)]