1286260

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{881}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 2741256

約数和(自身を除く): 1454996

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 881, 1460, 1762, 3524, 4405, 8810, 17620, 64313, 128626, 257252, 321565, 643130, 1286260]

約数ペア:

[(1, 1286260), (2, 643130), (4, 321565), (5, 257252), (10, 128626), (20, 64313), (73, 17620), (146, 8810), (292, 4405), (365, 3524), (730, 1762), (881, 1460)]