394832380

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{49727}}^1$

素因数の和:50133

約数の個数: 24

約数和(自身を含む): 831253248

約数和(自身を除く): 436420868

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 49727, 99454, 198908, 248635, 497270, 994540, 19741619, 39483238, 78966476, 98708095, 197416190, 394832380]

約数ペア:

[(1, 394832380), (2, 197416190), (4, 98708095), (5, 78966476), (10, 39483238), (20, 19741619), (397, 994540), (794, 497270), (1588, 248635), (1985, 198908), (3970, 99454), (7940, 49727)]