440344540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1295131}}^1$

素因数の和:1295157

約数の個数: 24

約数和(自身を含む): 979119792

約数和(自身を除く): 538775252

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1295131, 2590262, 5180524, 6475655, 12951310, 22017227, 25902620, 44034454, 88068908, 110086135, 220172270, 440344540]

約数ペア:

[(1, 440344540), (2, 220172270), (4, 110086135), (5, 88068908), (10, 44034454), (17, 25902620), (20, 22017227), (34, 12951310), (68, 6475655), (85, 5180524), (170, 2590262), (340, 1295131)]