211399820

素因数分解:

$2^2\times 5^1\times {\mathrm{757}}^1\times {\mathrm{13963}}^1$

素因数の和:14729

約数の個数: 24

約数和(自身を含む): 444557904

約数和(自身を除く): 233158084

約数列:

[1, 2, 4, 5, 10, 20, 757, 1514, 3028, 3785, 7570, 13963, 15140, 27926, 55852, 69815, 139630, 279260, 10569991, 21139982, 42279964, 52849955, 105699910, 211399820]

約数ペア:

[(1, 211399820), (2, 105699910), (4, 52849955), (5, 42279964), (10, 21139982), (20, 10569991), (757, 279260), (1514, 139630), (3028, 69815), (3785, 55852), (7570, 27926), (13963, 15140)]