866688220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{59281}}^1$

素因数の和:59350

約数の個数: 48

約数和(自身を含む): 1971956448

約数和(自身を除く): 1105268228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 59281, 118562, 237124, 296405, 592810, 1007777, 1185620, 2015554, 2549083, 4031108, 5038885, 5098166, 10077770, 10196332, 12745415, 20155540, 25490830, 43334411, 50981660, 86668822, 173337644, 216672055, 433344110, 866688220]

約数ペア:

[(1, 866688220), (2, 433344110), (4, 216672055), (5, 173337644), (10, 86668822), (17, 50981660), (20, 43334411), (34, 25490830), (43, 20155540), (68, 12745415), (85, 10196332), (86, 10077770), (170, 5098166), (172, 5038885), (215, 4031108), (340, 2549083), (430, 2015554), (731, 1185620), (860, 1007777), (1462, 592810), (2924, 296405), (3655, 237124), (7310, 118562), (14620, 59281)]