311930125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10103}}^1$

素因数の和:10150

約数の個数: 32

約数和(自身を含む): 441342720

約数和(自身を除く): 129412595

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 475, 1235, 1625, 2375, 6175, 10103, 30875, 50515, 131339, 191957, 252575, 656695, 959785, 1262875, 2495441, 3283475, 4798925, 12477205, 16417375, 23994625, 62386025, 311930125]

約数ペア:

[(1, 311930125), (5, 62386025), (13, 23994625), (19, 16417375), (25, 12477205), (65, 4798925), (95, 3283475), (125, 2495441), (247, 1262875), (325, 959785), (475, 656695), (1235, 252575), (1625, 191957), (2375, 131339), (6175, 50515), (10103, 30875)]