72969025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1031}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 95976000

約数和(自身を除く): 23006975

約数列:

[1, 5, 19, 25, 95, 149, 475, 745, 1031, 2831, 3725, 5155, 14155, 19589, 25775, 70775, 97945, 153619, 489725, 768095, 2918761, 3840475, 14593805, 72969025]

約数ペア:

[(1, 72969025), (5, 14593805), (19, 3840475), (25, 2918761), (95, 768095), (149, 489725), (475, 153619), (745, 97945), (1031, 70775), (2831, 25775), (3725, 19589), (5155, 14155)]