415382020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{669971}}^1$

素因数の和:670011

約数の個数: 24

約数和(自身を含む): 900442368

約数和(自身を除く): 485060348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 669971, 1339942, 2679884, 3349855, 6699710, 13399420, 20769101, 41538202, 83076404, 103845505, 207691010, 415382020]

約数ペア:

[(1, 415382020), (2, 207691010), (4, 103845505), (5, 83076404), (10, 41538202), (20, 20769101), (31, 13399420), (62, 6699710), (124, 3349855), (155, 2679884), (310, 1339942), (620, 669971)]