1399730420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{578401}}^1$

素因数の和:578432

約数の個数: 36

約数和(自身を含む): 3230953572

約数和(自身を除く): 1831223152

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 578401, 1156802, 2313604, 2892005, 5784010, 6362411, 11568020, 12724822, 25449644, 31812055, 63624110, 69986521, 127248220, 139973042, 279946084, 349932605, 699865210, 1399730420]

約数ペア:

[(1, 1399730420), (2, 699865210), (4, 349932605), (5, 279946084), (10, 139973042), (11, 127248220), (20, 69986521), (22, 63624110), (44, 31812055), (55, 25449644), (110, 12724822), (121, 11568020), (220, 6362411), (242, 5784010), (484, 2892005), (605, 2313604), (1210, 1156802), (2420, 578401)]