8645989900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{811}}^1$

素因数の和:1056

約数の個数: 144

約数和(自身を含む): 20524241920

約数和(自身を除く): 11878252020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 181, 190, 310, 362, 380, 475, 589, 620, 724, 775, 811, 905, 950, 1178, 1550, 1622, 1810, 1900, 2356, 2945, 3100, 3244, 3439, 3620, 4055, 4525, 5611, 5890, 6878, 8110, 9050, 11222, 11780, 13756, 14725, 15409, 16220, 17195, 18100, 20275, 22444, 25141, 28055, 29450, 30818, 34390, 40550, 50282, 56110, 58900, 61636, 68780, 77045, 81100, 85975, 100564, 106609, 112220, 125705, 140275, 146791, 154090, 171950, 213218, 251410, 280550, 293582, 308180, 343900, 385225, 426436, 477679, 502820, 533045, 561100, 587164, 628525, 733955, 770450, 955358, 1066090, 1257050, 1467910, 1540900, 1910716, 2132180, 2388395, 2514100, 2665225, 2789029, 2935820, 3669775, 4550521, 4776790, 5330450, 5578058, 7339550, 9101042, 9553580, 10660900, 11156116, 11941975, 13945145, 14679100, 18202084, 22752605, 23883950, 27890290, 45505210, 47767900, 55780580, 69725725, 86459899, 91010420, 113763025, 139451450, 172919798, 227526050, 278902900, 345839596, 432299495, 455052100, 864598990, 1729197980, 2161497475, 4322994950, 8645989900]

約数ペア:

[(1, 8645989900), (2, 4322994950), (4, 2161497475), (5, 1729197980), (10, 864598990), (19, 455052100), (20, 432299495), (25, 345839596), (31, 278902900), (38, 227526050), (50, 172919798), (62, 139451450), (76, 113763025), (95, 91010420), (100, 86459899), (124, 69725725), (155, 55780580), (181, 47767900), (190, 45505210), (310, 27890290), (362, 23883950), (380, 22752605), (475, 18202084), (589, 14679100), (620, 13945145), (724, 11941975), (775, 11156116), (811, 10660900), (905, 9553580), (950, 9101042), (1178, 7339550), (1550, 5578058), (1622, 5330450), (1810, 4776790), (1900, 4550521), (2356, 3669775), (2945, 2935820), (3100, 2789029), (3244, 2665225), (3439, 2514100), (3620, 2388395), (4055, 2132180), (4525, 1910716), (5611, 1540900), (5890, 1467910), (6878, 1257050), (8110, 1066090), (9050, 955358), (11222, 770450), (11780, 733955), (13756, 628525), (14725, 587164), (15409, 561100), (16220, 533045), (17195, 502820), (18100, 477679), (20275, 426436), (22444, 385225), (25141, 343900), (28055, 308180), (29450, 293582), (30818, 280550), (34390, 251410), (40550, 213218), (50282, 171950), (56110, 154090), (58900, 146791), (61636, 140275), (68780, 125705), (77045, 112220), (81100, 106609), (85975, 100564)]