3971620

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{569}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 8379000

約数和(自身を除く): 4407380

約数列:

[1, 2, 4, 5, 10, 20, 349, 569, 698, 1138, 1396, 1745, 2276, 2845, 3490, 5690, 6980, 11380, 198581, 397162, 794324, 992905, 1985810, 3971620]

約数ペア:

[(1, 3971620), (2, 1985810), (4, 992905), (5, 794324), (10, 397162), (20, 198581), (349, 11380), (569, 6980), (698, 5690), (1138, 3490), (1396, 2845), (1745, 2276)]