256150730

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{136979}}^1$

素因数の和:137014

約数の個数: 32

約数和(自身を含む): 532578240

約数和(自身を除く): 276427510

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 136979, 273958, 684895, 1369790, 1506769, 2328643, 3013538, 4657286, 7533845, 11643215, 15067690, 23286430, 25615073, 51230146, 128075365, 256150730]

約数ペア:

[(1, 256150730), (2, 128075365), (5, 51230146), (10, 25615073), (11, 23286430), (17, 15067690), (22, 11643215), (34, 7533845), (55, 4657286), (85, 3013538), (110, 2328643), (170, 1506769), (187, 1369790), (374, 684895), (935, 273958), (1870, 136979)]