1644617740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{20071}}^1$

素因数の和:20338

約数の個数: 48

約数和(自身を含む): 3672212544

約数和(自身を除く): 2027594804

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 241, 340, 482, 964, 1205, 2410, 4097, 4820, 8194, 16388, 20071, 20485, 40142, 40970, 80284, 81940, 100355, 200710, 341207, 401420, 682414, 1364828, 1706035, 3412070, 4837111, 6824140, 9674222, 19348444, 24185555, 48371110, 82230887, 96742220, 164461774, 328923548, 411154435, 822308870, 1644617740]

約数ペア:

[(1, 1644617740), (2, 822308870), (4, 411154435), (5, 328923548), (10, 164461774), (17, 96742220), (20, 82230887), (34, 48371110), (68, 24185555), (85, 19348444), (170, 9674222), (241, 6824140), (340, 4837111), (482, 3412070), (964, 1706035), (1205, 1364828), (2410, 682414), (4097, 401420), (4820, 341207), (8194, 200710), (16388, 100355), (20071, 81940), (20485, 80284), (40142, 40970)]