290414440

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:722

約数の個数: 64

約数和(自身を含む): 666639360

約数和(自身を除く): 376224920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 271, 292, 365, 367, 542, 584, 730, 734, 1084, 1355, 1460, 1468, 1835, 2168, 2710, 2920, 2936, 3670, 5420, 7340, 10840, 14680, 19783, 26791, 39566, 53582, 79132, 98915, 99457, 107164, 133955, 158264, 197830, 198914, 214328, 267910, 395660, 397828, 497285, 535820, 791320, 795656, 994570, 1071640, 1989140, 3978280, 7260361, 14520722, 29041444, 36301805, 58082888, 72603610, 145207220, 290414440]

約数ペア:

[(1, 290414440), (2, 145207220), (4, 72603610), (5, 58082888), (8, 36301805), (10, 29041444), (20, 14520722), (40, 7260361), (73, 3978280), (146, 1989140), (271, 1071640), (292, 994570), (365, 795656), (367, 791320), (542, 535820), (584, 497285), (730, 397828), (734, 395660), (1084, 267910), (1355, 214328), (1460, 198914), (1468, 197830), (1835, 158264), (2168, 133955), (2710, 107164), (2920, 99457), (2936, 98915), (3670, 79132), (5420, 53582), (7340, 39566), (10840, 26791), (14680, 19783)]