172948025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1601}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 223479000

約数和(自身を除く): 50530975

約数列:

[1, 5, 25, 29, 145, 149, 725, 745, 1601, 3725, 4321, 8005, 21605, 40025, 46429, 108025, 232145, 238549, 1160725, 1192745, 5963725, 6917921, 34589605, 172948025]

約数ペア:

[(1, 172948025), (5, 34589605), (25, 6917921), (29, 5963725), (145, 1192745), (149, 1160725), (725, 238549), (745, 232145), (1601, 108025), (3725, 46429), (4321, 40025), (8005, 21605)]