255277580

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1\times {\mathrm{617}}^1$

素因数の和:914

約数の個数: 48

約数和(自身を含む): 544453056

約数和(自身を除く): 289175476

約数列:

[1, 2, 4, 5, 10, 20, 137, 151, 274, 302, 548, 604, 617, 685, 755, 1234, 1370, 1510, 2468, 2740, 3020, 3085, 6170, 12340, 20687, 41374, 82748, 84529, 93167, 103435, 169058, 186334, 206870, 338116, 372668, 413740, 422645, 465835, 845290, 931670, 1690580, 1863340, 12763879, 25527758, 51055516, 63819395, 127638790, 255277580]

約数ペア:

[(1, 255277580), (2, 127638790), (4, 63819395), (5, 51055516), (10, 25527758), (20, 12763879), (137, 1863340), (151, 1690580), (274, 931670), (302, 845290), (548, 465835), (604, 422645), (617, 413740), (685, 372668), (755, 338116), (1234, 206870), (1370, 186334), (1510, 169058), (2468, 103435), (2740, 93167), (3020, 84529), (3085, 82748), (6170, 41374), (12340, 20687)]