78810820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{1063}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 181254528

約数和(自身を除く): 102443708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 337, 674, 1063, 1348, 1685, 2126, 3370, 3707, 4252, 5315, 6740, 7414, 10630, 11693, 14828, 18535, 21260, 23386, 37070, 46772, 58465, 74140, 116930, 233860, 358231, 716462, 1432924, 1791155, 3582310, 3940541, 7164620, 7881082, 15762164, 19702705, 39405410, 78810820]

約数ペア:

[(1, 78810820), (2, 39405410), (4, 19702705), (5, 15762164), (10, 7881082), (11, 7164620), (20, 3940541), (22, 3582310), (44, 1791155), (55, 1432924), (110, 716462), (220, 358231), (337, 233860), (674, 116930), (1063, 74140), (1348, 58465), (1685, 46772), (2126, 37070), (3370, 23386), (3707, 21260), (4252, 18535), (5315, 14828), (6740, 11693), (7414, 10630)]