291207353840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280007071}}^1$

素因数の和:280007097

約数の個数: 40

約数和(自身を含む): 729138415488

約数和(自身を除く): 437931061648

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 280007071, 560014142, 1120028284, 1400035355, 2240056568, 2800070710, 3640091923, 4480113136, 5600141420, 7280183846, 11200282840, 14560367692, 18200459615, 22400565680, 29120735384, 36400919230, 58241470768, 72801838460, 145603676920, 291207353840]

約数ペア:

[(1, 291207353840), (2, 145603676920), (4, 72801838460), (5, 58241470768), (8, 36400919230), (10, 29120735384), (13, 22400565680), (16, 18200459615), (20, 14560367692), (26, 11200282840), (40, 7280183846), (52, 5600141420), (65, 4480113136), (80, 3640091923), (104, 2800070710), (130, 2240056568), (208, 1400035355), (260, 1120028284), (520, 560014142), (1040, 280007071)]