210778940

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{18457}}^1$

素因数の和:19037

約数の個数: 24

約数和(自身を含む): 443434992

約数和(自身を除く): 232656052

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 18457, 36914, 73828, 92285, 184570, 369140, 10538947, 21077894, 42155788, 52694735, 105389470, 210778940]

約数ペア:

[(1, 210778940), (2, 105389470), (4, 52694735), (5, 42155788), (10, 21077894), (20, 10538947), (571, 369140), (1142, 184570), (2284, 92285), (2855, 73828), (5710, 36914), (11420, 18457)]