138998510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{2687}}^1$

素因数の和:3440

約数の個数: 32

約数和(自身を含む): 286433280

約数和(自身を除く): 147434770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 739, 1478, 2687, 3695, 5173, 5374, 7390, 10346, 13435, 18809, 25865, 26870, 37618, 51730, 94045, 188090, 1985693, 3971386, 9928465, 13899851, 19856930, 27799702, 69499255, 138998510]

約数ペア:

[(1, 138998510), (2, 69499255), (5, 27799702), (7, 19856930), (10, 13899851), (14, 9928465), (35, 3971386), (70, 1985693), (739, 188090), (1478, 94045), (2687, 51730), (3695, 37618), (5173, 26870), (5374, 25865), (7390, 18809), (10346, 13435)]