155403775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{839}}^1$

素因数の和:1119

約数の個数: 24

約数和(自身を含む): 199987200

約数和(自身を除く): 44583425

約数列:

[1, 5, 25, 31, 155, 239, 775, 839, 1195, 4195, 5975, 7409, 20975, 26009, 37045, 130045, 185225, 200521, 650225, 1002605, 5013025, 6216151, 31080755, 155403775]

約数ペア:

[(1, 155403775), (5, 31080755), (25, 6216151), (31, 5013025), (155, 1002605), (239, 650225), (775, 200521), (839, 185225), (1195, 130045), (4195, 37045), (5975, 26009), (7409, 20975)]