30390140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1291}}^1$

素因数の和:1418

約数の個数: 48

約数和(自身を含む): 70326144

約数和(自身を除く): 39936004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 1291, 2140, 2354, 2582, 4708, 5164, 5885, 6455, 11770, 12910, 14201, 23540, 25820, 28402, 56804, 71005, 138137, 142010, 276274, 284020, 552548, 690685, 1381370, 1519507, 2762740, 3039014, 6078028, 7597535, 15195070, 30390140]

約数ペア:

[(1, 30390140), (2, 15195070), (4, 7597535), (5, 6078028), (10, 3039014), (11, 2762740), (20, 1519507), (22, 1381370), (44, 690685), (55, 552548), (107, 284020), (110, 276274), (214, 142010), (220, 138137), (428, 71005), (535, 56804), (1070, 28402), (1177, 25820), (1291, 23540), (2140, 14201), (2354, 12910), (2582, 11770), (4708, 6455), (5164, 5885)]