490773460

素因数分解:

$2^2\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{21851}}^1$

素因数の和:22983

約数の個数: 24

約数和(自身を含む): 1031589216

約数和(自身を除く): 540815756

約数列:

[1, 2, 4, 5, 10, 20, 1123, 2246, 4492, 5615, 11230, 21851, 22460, 43702, 87404, 109255, 218510, 437020, 24538673, 49077346, 98154692, 122693365, 245386730, 490773460]

約数ペア:

[(1, 490773460), (2, 245386730), (4, 122693365), (5, 98154692), (10, 49077346), (20, 24538673), (1123, 437020), (2246, 218510), (4492, 109255), (5615, 87404), (11230, 43702), (21851, 22460)]