492724420

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{177239}}^1$

素因数の和:177387

約数の個数: 24

約数和(自身を含む): 1042171200

約数和(自身を除く): 549446780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 177239, 354478, 708956, 886195, 1772390, 3544780, 24636221, 49272442, 98544884, 123181105, 246362210, 492724420]

約数ペア:

[(1, 492724420), (2, 246362210), (4, 123181105), (5, 98544884), (10, 49272442), (20, 24636221), (139, 3544780), (278, 1772390), (556, 886195), (695, 708956), (1390, 354478), (2780, 177239)]