421750268540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{490407289}}^1$

素因数の和:490407341

約数の個数: 24

約数和(自身を含む): 906272671920

約数和(自身を除く): 484522403380

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 490407289, 980814578, 1961629156, 2452036445, 4904072890, 9808145780, 21087513427, 42175026854, 84350053708, 105437567135, 210875134270, 421750268540]

約数ペア:

[(1, 421750268540), (2, 210875134270), (4, 105437567135), (5, 84350053708), (10, 42175026854), (20, 21087513427), (43, 9808145780), (86, 4904072890), (172, 2452036445), (215, 1961629156), (430, 980814578), (860, 490407289)]