204103925

素因数分解:

$5^2\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:665

約数の個数: 24

約数和(自身を含む): 257145000

約数和(自身を除く): 53041075

約数列:

[1, 5, 25, 149, 157, 349, 745, 785, 1745, 3725, 3925, 8725, 23393, 52001, 54793, 116965, 260005, 273965, 584825, 1300025, 1369825, 8164157, 40820785, 204103925]

約数ペア:

[(1, 204103925), (5, 40820785), (25, 8164157), (149, 1369825), (157, 1300025), (349, 584825), (745, 273965), (785, 260005), (1745, 116965), (3725, 54793), (3925, 52001), (8725, 23393)]