156919420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{3581}}^1$

素因数の和:3910

約数の個数: 48

約数和(自身を含む): 377915328

約数和(自身を除く): 220995908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 313, 626, 1252, 1565, 2191, 3130, 3581, 4382, 6260, 7162, 8764, 10955, 14324, 17905, 21910, 25067, 35810, 43820, 50134, 71620, 100268, 125335, 250670, 501340, 1120853, 2241706, 4483412, 5604265, 7845971, 11208530, 15691942, 22417060, 31383884, 39229855, 78459710, 156919420]

約数ペア:

[(1, 156919420), (2, 78459710), (4, 39229855), (5, 31383884), (7, 22417060), (10, 15691942), (14, 11208530), (20, 7845971), (28, 5604265), (35, 4483412), (70, 2241706), (140, 1120853), (313, 501340), (626, 250670), (1252, 125335), (1565, 100268), (2191, 71620), (3130, 50134), (3581, 43820), (4382, 35810), (6260, 25067), (7162, 21910), (8764, 17905), (10955, 14324)]