557620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{569}}^1$

素因数の和:592

約数の個数: 36

約数和(自身を含む): 1364580

約数和(自身を除く): 806960

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 569, 980, 1138, 2276, 2845, 3983, 5690, 7966, 11380, 15932, 19915, 27881, 39830, 55762, 79660, 111524, 139405, 278810, 557620]

約数ペア:

[(1, 557620), (2, 278810), (4, 139405), (5, 111524), (7, 79660), (10, 55762), (14, 39830), (20, 27881), (28, 19915), (35, 15932), (49, 11380), (70, 7966), (98, 5690), (140, 3983), (196, 2845), (245, 2276), (490, 1138), (569, 980)]