79879600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^2\times {\mathrm{691}}^1$

素因数の和:743

約数の個数: 90

約数和(自身を含む): 204158684

約数和(自身を除く): 124279084

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 289, 340, 400, 425, 578, 680, 691, 850, 1156, 1360, 1382, 1445, 1700, 2312, 2764, 2890, 3400, 3455, 4624, 5528, 5780, 6800, 6910, 7225, 11056, 11560, 11747, 13820, 14450, 17275, 23120, 23494, 27640, 28900, 34550, 46988, 55280, 57800, 58735, 69100, 93976, 115600, 117470, 138200, 187952, 199699, 234940, 276400, 293675, 399398, 469880, 587350, 798796, 939760, 998495, 1174700, 1597592, 1996990, 2349400, 3195184, 3993980, 4698800, 4992475, 7987960, 9984950, 15975920, 19969900, 39939800, 79879600]

約数ペア:

[(1, 79879600), (2, 39939800), (4, 19969900), (5, 15975920), (8, 9984950), (10, 7987960), (16, 4992475), (17, 4698800), (20, 3993980), (25, 3195184), (34, 2349400), (40, 1996990), (50, 1597592), (68, 1174700), (80, 998495), (85, 939760), (100, 798796), (136, 587350), (170, 469880), (200, 399398), (272, 293675), (289, 276400), (340, 234940), (400, 199699), (425, 187952), (578, 138200), (680, 117470), (691, 115600), (850, 93976), (1156, 69100), (1360, 58735), (1382, 57800), (1445, 55280), (1700, 46988), (2312, 34550), (2764, 28900), (2890, 27640), (3400, 23494), (3455, 23120), (4624, 17275), (5528, 14450), (5780, 13820), (6800, 11747), (6910, 11560), (7225, 11056)]