68968325

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 87494400

約数和(自身を除く): 18526075

約数列:

[1, 5, 25, 89, 139, 223, 445, 695, 1115, 2225, 3475, 5575, 12371, 19847, 30997, 61855, 99235, 154985, 309275, 496175, 774925, 2758733, 13793665, 68968325]

約数ペア:

[(1, 68968325), (5, 13793665), (25, 2758733), (89, 774925), (139, 496175), (223, 309275), (445, 154985), (695, 99235), (1115, 61855), (2225, 30997), (3475, 19847), (5575, 12371)]