149630540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{677}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 323259552

約数和(自身を除く): 173629012

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 257, 430, 514, 677, 860, 1028, 1285, 1354, 2570, 2708, 3385, 5140, 6770, 11051, 13540, 22102, 29111, 44204, 55255, 58222, 110510, 116444, 145555, 173989, 221020, 291110, 347978, 582220, 695956, 869945, 1739890, 3479780, 7481527, 14963054, 29926108, 37407635, 74815270, 149630540]

約数ペア:

[(1, 149630540), (2, 74815270), (4, 37407635), (5, 29926108), (10, 14963054), (20, 7481527), (43, 3479780), (86, 1739890), (172, 869945), (215, 695956), (257, 582220), (430, 347978), (514, 291110), (677, 221020), (860, 173989), (1028, 145555), (1285, 116444), (1354, 110510), (2570, 58222), (2708, 55255), (3385, 44204), (5140, 29111), (6770, 22102), (11051, 13540)]