11489900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{1291}}^1$

素因数の和:1394

約数の個数: 36

約数和(自身を含む): 25232760

約数和(自身を除く): 13742860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1291, 1780, 2225, 2582, 4450, 5164, 6455, 8900, 12910, 25820, 32275, 64550, 114899, 129100, 229798, 459596, 574495, 1148990, 2297980, 2872475, 5744950, 11489900]

約数ペア:

[(1, 11489900), (2, 5744950), (4, 2872475), (5, 2297980), (10, 1148990), (20, 574495), (25, 459596), (50, 229798), (89, 129100), (100, 114899), (178, 64550), (356, 32275), (445, 25820), (890, 12910), (1291, 8900), (1780, 6455), (2225, 5164), (2582, 4450)]