1320222500

素因数分解:

$2^2\times 5^4\times {\mathrm{359}}^1\times {\mathrm{1471}}^1$

素因数の和:1854

約数の個数: 60

約数和(自身を含む): 2897072640

約数和(自身を除く): 1576850140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 359, 500, 625, 718, 1250, 1436, 1471, 1795, 2500, 2942, 3590, 5884, 7180, 7355, 8975, 14710, 17950, 29420, 35900, 36775, 44875, 73550, 89750, 147100, 179500, 183875, 224375, 367750, 448750, 528089, 735500, 897500, 919375, 1056178, 1838750, 2112356, 2640445, 3677500, 5280890, 10561780, 13202225, 26404450, 52808900, 66011125, 132022250, 264044500, 330055625, 660111250, 1320222500]

約数ペア:

[(1, 1320222500), (2, 660111250), (4, 330055625), (5, 264044500), (10, 132022250), (20, 66011125), (25, 52808900), (50, 26404450), (100, 13202225), (125, 10561780), (250, 5280890), (359, 3677500), (500, 2640445), (625, 2112356), (718, 1838750), (1250, 1056178), (1436, 919375), (1471, 897500), (1795, 735500), (2500, 528089), (2942, 448750), (3590, 367750), (5884, 224375), (7180, 183875), (7355, 179500), (8975, 147100), (14710, 89750), (17950, 73550), (29420, 44875), (35900, 36775)]