6388580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 14878080

約数和(自身を除く): 8489500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 409, 710, 781, 818, 1420, 1562, 1636, 2045, 3124, 3905, 4090, 4499, 7810, 8180, 8998, 15620, 17996, 22495, 29039, 44990, 58078, 89980, 116156, 145195, 290390, 319429, 580780, 638858, 1277716, 1597145, 3194290, 6388580]

約数ペア:

[(1, 6388580), (2, 3194290), (4, 1597145), (5, 1277716), (10, 638858), (11, 580780), (20, 319429), (22, 290390), (44, 145195), (55, 116156), (71, 89980), (110, 58078), (142, 44990), (220, 29039), (284, 22495), (355, 17996), (409, 15620), (710, 8998), (781, 8180), (818, 7810), (1420, 4499), (1562, 4090), (1636, 3905), (2045, 3124)]