1213540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1347

約数の個数: 24

約数和(自身を含む): 2604672

約数和(自身を除く): 1391132

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 1291, 2582, 5164, 6455, 12910, 25820, 60677, 121354, 242708, 303385, 606770, 1213540]

約数ペア:

[(1, 1213540), (2, 606770), (4, 303385), (5, 242708), (10, 121354), (20, 60677), (47, 25820), (94, 12910), (188, 6455), (235, 5164), (470, 2582), (940, 1291)]