455141380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{1021}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 988968960

約数和(自身を除く): 533827580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 719, 1021, 1438, 2042, 2876, 3595, 4084, 5105, 7190, 10210, 14380, 20420, 22289, 31651, 44578, 63302, 89156, 111445, 126604, 158255, 222890, 316510, 445780, 633020, 734099, 1468198, 2936396, 3670495, 7340990, 14681980, 22757069, 45514138, 91028276, 113785345, 227570690, 455141380]

約数ペア:

[(1, 455141380), (2, 227570690), (4, 113785345), (5, 91028276), (10, 45514138), (20, 22757069), (31, 14681980), (62, 7340990), (124, 3670495), (155, 2936396), (310, 1468198), (620, 734099), (719, 633020), (1021, 445780), (1438, 316510), (2042, 222890), (2876, 158255), (3595, 126604), (4084, 111445), (5105, 89156), (7190, 63302), (10210, 44578), (14380, 31651), (20420, 22289)]