99878960

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 239588832

約数和(自身を除く): 139709872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 97, 122, 194, 211, 244, 305, 388, 422, 485, 488, 610, 776, 844, 970, 976, 1055, 1220, 1552, 1688, 1940, 2110, 2440, 3376, 3880, 4220, 4880, 5917, 7760, 8440, 11834, 12871, 16880, 20467, 23668, 25742, 29585, 40934, 47336, 51484, 59170, 64355, 81868, 94672, 102335, 102968, 118340, 128710, 163736, 204670, 205936, 236680, 257420, 327472, 409340, 473360, 514840, 818680, 1029680, 1248487, 1637360, 2496974, 4993948, 6242435, 9987896, 12484870, 19975792, 24969740, 49939480, 99878960]

約数ペア:

[(1, 99878960), (2, 49939480), (4, 24969740), (5, 19975792), (8, 12484870), (10, 9987896), (16, 6242435), (20, 4993948), (40, 2496974), (61, 1637360), (80, 1248487), (97, 1029680), (122, 818680), (194, 514840), (211, 473360), (244, 409340), (305, 327472), (388, 257420), (422, 236680), (485, 205936), (488, 204670), (610, 163736), (776, 128710), (844, 118340), (970, 102968), (976, 102335), (1055, 94672), (1220, 81868), (1552, 64355), (1688, 59170), (1940, 51484), (2110, 47336), (2440, 40934), (3376, 29585), (3880, 25742), (4220, 23668), (4880, 20467), (5917, 16880), (7760, 12871), (8440, 11834)]