3131260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 7362432

約数和(自身を除く): 4231172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 331, 430, 473, 662, 860, 946, 1324, 1655, 1892, 2365, 3310, 3641, 4730, 6620, 7282, 9460, 14233, 14564, 18205, 28466, 36410, 56932, 71165, 72820, 142330, 156563, 284660, 313126, 626252, 782815, 1565630, 3131260]

約数ペア:

[(1, 3131260), (2, 1565630), (4, 782815), (5, 626252), (10, 313126), (11, 284660), (20, 156563), (22, 142330), (43, 72820), (44, 71165), (55, 56932), (86, 36410), (110, 28466), (172, 18205), (215, 14564), (220, 14233), (331, 9460), (430, 7282), (473, 6620), (662, 4730), (860, 3641), (946, 3310), (1324, 2365), (1655, 1892)]