148647560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{86423}}^1$

素因数の和:86477

約数の個数: 32

約数和(自身を含む): 342239040

約数和(自身を除く): 193591480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 86423, 172846, 345692, 432115, 691384, 864230, 1728460, 3456920, 3716189, 7432378, 14864756, 18580945, 29729512, 37161890, 74323780, 148647560]

約数ペア:

[(1, 148647560), (2, 74323780), (4, 37161890), (5, 29729512), (8, 18580945), (10, 14864756), (20, 7432378), (40, 3716189), (43, 3456920), (86, 1728460), (172, 864230), (215, 691384), (344, 432115), (430, 345692), (860, 172846), (1720, 86423)]