268909975

素因数分解:

$5^2\times {\mathrm{101}}^1\times {\mathrm{281}}^1\times {\mathrm{379}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 338839920

約数和(自身を除く): 69929945

約数列:

[1, 5, 25, 101, 281, 379, 505, 1405, 1895, 2525, 7025, 9475, 28381, 38279, 106499, 141905, 191395, 532495, 709525, 956975, 2662475, 10756399, 53781995, 268909975]

約数ペア:

[(1, 268909975), (5, 53781995), (25, 10756399), (101, 2662475), (281, 956975), (379, 709525), (505, 532495), (1405, 191395), (1895, 141905), (2525, 106499), (7025, 38279), (9475, 28381)]