260430140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{765971}}^1$

素因数の和:765997

約数の個数: 24

約数和(自身を含む): 579074832

約数和(自身を除く): 318644692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 765971, 1531942, 3063884, 3829855, 7659710, 13021507, 15319420, 26043014, 52086028, 65107535, 130215070, 260430140]

約数ペア:

[(1, 260430140), (2, 130215070), (4, 65107535), (5, 52086028), (10, 26043014), (17, 15319420), (20, 13021507), (34, 7659710), (68, 3829855), (85, 3063884), (170, 1531942), (340, 765971)]