77767570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 154224000

約数和(自身を除く): 76456430

約数列:

[1, 2, 5, 10, 19, 38, 41, 67, 82, 95, 134, 149, 190, 205, 298, 335, 410, 670, 745, 779, 1273, 1490, 1558, 2546, 2747, 2831, 3895, 5494, 5662, 6109, 6365, 7790, 9983, 12218, 12730, 13735, 14155, 19966, 27470, 28310, 30545, 49915, 52193, 61090, 99830, 104386, 116071, 189677, 232142, 260965, 379354, 409303, 521930, 580355, 818606, 948385, 1160710, 1896770, 2046515, 4093030, 7776757, 15553514, 38883785, 77767570]

約数ペア:

[(1, 77767570), (2, 38883785), (5, 15553514), (10, 7776757), (19, 4093030), (38, 2046515), (41, 1896770), (67, 1160710), (82, 948385), (95, 818606), (134, 580355), (149, 521930), (190, 409303), (205, 379354), (298, 260965), (335, 232142), (410, 189677), (670, 116071), (745, 104386), (779, 99830), (1273, 61090), (1490, 52193), (1558, 49915), (2546, 30545), (2747, 28310), (2831, 27470), (3895, 19966), (5494, 14155), (5662, 13735), (6109, 12730), (6365, 12218), (7790, 9983)]