138320425

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{523}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 175435200

約数和(自身を除く): 37114775

約数列:

[1, 5, 25, 71, 149, 355, 523, 745, 1775, 2615, 3725, 10579, 13075, 37133, 52895, 77927, 185665, 264475, 389635, 928325, 1948175, 5532817, 27664085, 138320425]

約数ペア:

[(1, 138320425), (5, 27664085), (25, 5532817), (71, 1948175), (149, 928325), (355, 389635), (523, 264475), (745, 185665), (1775, 77927), (2615, 52895), (3725, 37133), (10579, 13075)]