138142480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{246683}}^1$

素因数の和:246703

約数の個数: 40

約数和(自身を含む): 367065792

約数和(自身を除く): 228923312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 246683, 493366, 986732, 1233415, 1726781, 1973464, 2466830, 3453562, 3946928, 4933660, 6907124, 8633905, 9867320, 13814248, 17267810, 19734640, 27628496, 34535620, 69071240, 138142480]

約数ペア:

[(1, 138142480), (2, 69071240), (4, 34535620), (5, 27628496), (7, 19734640), (8, 17267810), (10, 13814248), (14, 9867320), (16, 8633905), (20, 6907124), (28, 4933660), (35, 3946928), (40, 3453562), (56, 2466830), (70, 1973464), (80, 1726781), (112, 1233415), (140, 986732), (280, 493366), (560, 246683)]