136986875

素因数分解:

$5^4\times {\mathrm{149}}^1\times {\mathrm{1471}}^1$

素因数の和:1640

約数の個数: 20

約数和(自身を含む): 172444800

約数和(自身を除く): 35457925

約数列:

[1, 5, 25, 125, 149, 625, 745, 1471, 3725, 7355, 18625, 36775, 93125, 183875, 219179, 919375, 1095895, 5479475, 27397375, 136986875]

約数ペア:

[(1, 136986875), (5, 27397375), (25, 5479475), (125, 1095895), (149, 919375), (625, 219179), (745, 183875), (1471, 93125), (3725, 36775), (7355, 18625)]