313061875

素因数分解:

$5^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:629

約数の個数: 40

約数和(自身を含む): 450855680

約数和(自身を除く): 137793805

約数列:

[1, 5, 7, 25, 35, 125, 163, 175, 439, 625, 815, 875, 1141, 2195, 3073, 4075, 4375, 5705, 10975, 15365, 20375, 28525, 54875, 71557, 76825, 101875, 142625, 274375, 357785, 384125, 500899, 713125, 1788925, 1920625, 2504495, 8944625, 12522475, 44723125, 62612375, 313061875]

約数ペア:

[(1, 313061875), (5, 62612375), (7, 44723125), (25, 12522475), (35, 8944625), (125, 2504495), (163, 1920625), (175, 1788925), (439, 713125), (625, 500899), (815, 384125), (875, 357785), (1141, 274375), (2195, 142625), (3073, 101875), (4075, 76825), (4375, 71557), (5705, 54875), (10975, 28525), (15365, 20375)]