864417950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:495

約数の個数: 96

約数和(自身を含む): 1829882880

約数和(自身を除く): 965464930

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 110, 121, 155, 242, 275, 310, 341, 419, 550, 605, 682, 775, 838, 1210, 1331, 1550, 1705, 2095, 2662, 3025, 3410, 3751, 4190, 4609, 6050, 6655, 7502, 8525, 9218, 10475, 12989, 13310, 17050, 18755, 20950, 23045, 25978, 33275, 37510, 41261, 46090, 50699, 64945, 66550, 82522, 93775, 101398, 115225, 129890, 142879, 187550, 206305, 230450, 253495, 285758, 324725, 412610, 506990, 557689, 649450, 714395, 1031525, 1115378, 1267475, 1428790, 1571669, 2063050, 2534950, 2788445, 3143338, 3571975, 5576890, 7143950, 7858345, 13942225, 15716690, 17288359, 27884450, 34576718, 39291725, 78583450, 86441795, 172883590, 432208975, 864417950]

約数ペア:

[(1, 864417950), (2, 432208975), (5, 172883590), (10, 86441795), (11, 78583450), (22, 39291725), (25, 34576718), (31, 27884450), (50, 17288359), (55, 15716690), (62, 13942225), (110, 7858345), (121, 7143950), (155, 5576890), (242, 3571975), (275, 3143338), (310, 2788445), (341, 2534950), (419, 2063050), (550, 1571669), (605, 1428790), (682, 1267475), (775, 1115378), (838, 1031525), (1210, 714395), (1331, 649450), (1550, 557689), (1705, 506990), (2095, 412610), (2662, 324725), (3025, 285758), (3410, 253495), (3751, 230450), (4190, 206305), (4609, 187550), (6050, 142879), (6655, 129890), (7502, 115225), (8525, 101398), (9218, 93775), (10475, 82522), (12989, 66550), (13310, 64945), (17050, 50699), (18755, 46090), (20950, 41261), (23045, 37510), (25978, 33275)]