268800870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{689233}}^1$

素因数の和:689256

約数の個数: 32

約数和(自身を含む): 694747872

約数和(自身を除く): 425947002

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 689233, 1378466, 2067699, 3446165, 4135398, 6892330, 8960029, 10338495, 17920058, 20676990, 26880087, 44800145, 53760174, 89600290, 134400435, 268800870]

約数ペア:

[(1, 268800870), (2, 134400435), (3, 89600290), (5, 53760174), (6, 44800145), (10, 26880087), (13, 20676990), (15, 17920058), (26, 10338495), (30, 8960029), (39, 6892330), (65, 4135398), (78, 3446165), (130, 2067699), (195, 1378466), (390, 689233)]