291220488980

素因数分解:

$2^2\times 5^1\times {\mathrm{14561024449}}^1$

素因数の和:14561024458

約数の個数: 12

約数和(自身を含む): 611563026900

約数和(自身を除く): 320342537920

約数列:

[1, 2, 4, 5, 10, 20, 14561024449, 29122048898, 58244097796, 72805122245, 145610244490, 291220488980]

約数ペア:

[(1, 291220488980), (2, 145610244490), (4, 72805122245), (5, 58244097796), (10, 29122048898), (20, 14561024449)]