215566960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{384941}}^1$

素因数の和:384961

約数の個数: 40

約数和(自身を含む): 572793696

約数和(自身を除く): 357226736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 384941, 769882, 1539764, 1924705, 2694587, 3079528, 3849410, 5389174, 6159056, 7698820, 10778348, 13472935, 15397640, 21556696, 26945870, 30795280, 43113392, 53891740, 107783480, 215566960]

約数ペア:

[(1, 215566960), (2, 107783480), (4, 53891740), (5, 43113392), (7, 30795280), (8, 26945870), (10, 21556696), (14, 15397640), (16, 13472935), (20, 10778348), (28, 7698820), (35, 6159056), (40, 5389174), (56, 3849410), (70, 3079528), (80, 2694587), (112, 1924705), (140, 1539764), (280, 769882), (560, 384941)]