128220290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{68567}}^1$

素因数の和:68602

約数の個数: 32

約数和(自身を含む): 266592384

約数和(自身を除く): 138372094

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 68567, 137134, 342835, 685670, 754237, 1165639, 1508474, 2331278, 3771185, 5828195, 7542370, 11656390, 12822029, 25644058, 64110145, 128220290]

約数ペア:

[(1, 128220290), (2, 64110145), (5, 25644058), (10, 12822029), (11, 11656390), (17, 7542370), (22, 5828195), (34, 3771185), (55, 2331278), (85, 1508474), (110, 1165639), (170, 754237), (187, 685670), (374, 342835), (935, 137134), (1870, 68567)]