248845820

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{123191}}^1$

素因数の和:123301

約数の個数: 24

約数和(自身を含む): 527754528

約数和(自身を除く): 278908708

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 123191, 246382, 492764, 615955, 1231910, 2463820, 12442291, 24884582, 49769164, 62211455, 124422910, 248845820]

約数ペア:

[(1, 248845820), (2, 124422910), (4, 62211455), (5, 49769164), (10, 24884582), (20, 12442291), (101, 2463820), (202, 1231910), (404, 615955), (505, 492764), (1010, 246382), (2020, 123191)]