13971940

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 30643200

約数和(自身を除く): 16671260

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 79, 148, 158, 185, 239, 316, 370, 395, 478, 740, 790, 956, 1195, 1580, 2390, 2923, 4780, 5846, 8843, 11692, 14615, 17686, 18881, 29230, 35372, 37762, 44215, 58460, 75524, 88430, 94405, 176860, 188810, 377620, 698597, 1397194, 2794388, 3492985, 6985970, 13971940]

約数ペア:

[(1, 13971940), (2, 6985970), (4, 3492985), (5, 2794388), (10, 1397194), (20, 698597), (37, 377620), (74, 188810), (79, 176860), (148, 94405), (158, 88430), (185, 75524), (239, 58460), (316, 44215), (370, 37762), (395, 35372), (478, 29230), (740, 18881), (790, 17686), (956, 14615), (1195, 11692), (1580, 8843), (2390, 5846), (2923, 4780)]