205256310

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{977411}}^1$

素因数の和:977428

約数の個数: 32

約数和(自身を含む): 562989312

約数和(自身を除く): 357733002

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 977411, 1954822, 2932233, 4887055, 5864466, 6841877, 9774110, 13683754, 14661165, 20525631, 29322330, 34209385, 41051262, 68418770, 102628155, 205256310]

約数ペア:

[(1, 205256310), (2, 102628155), (3, 68418770), (5, 41051262), (6, 34209385), (7, 29322330), (10, 20525631), (14, 14661165), (15, 13683754), (21, 9774110), (30, 6841877), (35, 5864466), (42, 4887055), (70, 2932233), (105, 1954822), (210, 977411)]