898225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 1230080

約数和(自身を除く): 331855

約数列:

[1, 5, 19, 25, 31, 61, 95, 155, 305, 475, 589, 775, 1159, 1525, 1891, 2945, 5795, 9455, 14725, 28975, 35929, 47275, 179645, 898225]

約数ペア:

[(1, 898225), (5, 179645), (19, 47275), (25, 35929), (31, 28975), (61, 14725), (95, 9455), (155, 5795), (305, 2945), (475, 1891), (589, 1525), (775, 1159)]