149718680

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{34981}}^1$

素因数の和:35099

約数の個数: 32

約数和(自身を含む): 340025040

約数和(自身を除く): 190306360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 34981, 69962, 139924, 174905, 279848, 349810, 699620, 1399240, 3742967, 7485934, 14971868, 18714835, 29943736, 37429670, 74859340, 149718680]

約数ペア:

[(1, 149718680), (2, 74859340), (4, 37429670), (5, 29943736), (8, 18714835), (10, 14971868), (20, 7485934), (40, 3742967), (107, 1399240), (214, 699620), (428, 349810), (535, 279848), (856, 174905), (1070, 139924), (2140, 69962), (4280, 34981)]