291504175

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1999}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 381920000

約数和(自身を除く): 90415825

約数列:

[1, 5, 19, 25, 95, 307, 475, 1535, 1999, 5833, 7675, 9995, 29165, 37981, 49975, 145825, 189905, 613693, 949525, 3068465, 11660167, 15342325, 58300835, 291504175]

約数ペア:

[(1, 291504175), (5, 58300835), (19, 15342325), (25, 11660167), (95, 3068465), (307, 949525), (475, 613693), (1535, 189905), (1999, 145825), (5833, 49975), (7675, 37981), (9995, 29165)]