7461980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1291}}^1$

素因数の和:1334

約数の個数: 36

約数和(自身を含む): 16659048

約数和(自身を除く): 9197068

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1291, 1445, 2582, 2890, 5164, 5780, 6455, 12910, 21947, 25820, 43894, 87788, 109735, 219470, 373099, 438940, 746198, 1492396, 1865495, 3730990, 7461980]

約数ペア:

[(1, 7461980), (2, 3730990), (4, 1865495), (5, 1492396), (10, 746198), (17, 438940), (20, 373099), (34, 219470), (68, 109735), (85, 87788), (170, 43894), (289, 25820), (340, 21947), (578, 12910), (1156, 6455), (1291, 5780), (1445, 5164), (2582, 2890)]