213025960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{760807}}^1$

素因数の和:760825

約数の個数: 32

約数和(自身を含む): 547781760

約数和(自身を除く): 334755800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 760807, 1521614, 3043228, 3804035, 5325649, 6086456, 7608070, 10651298, 15216140, 21302596, 26628245, 30432280, 42605192, 53256490, 106512980, 213025960]

約数ペア:

[(1, 213025960), (2, 106512980), (4, 53256490), (5, 42605192), (7, 30432280), (8, 26628245), (10, 21302596), (14, 15216140), (20, 10651298), (28, 7608070), (35, 6086456), (40, 5325649), (56, 3804035), (70, 3043228), (140, 1521614), (280, 760807)]