31698520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113209}}^1$

素因数の和:113227

約数の個数: 32

約数和(自身を含む): 81511200

約数和(自身を除く): 49812680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 113209, 226418, 452836, 566045, 792463, 905672, 1132090, 1584926, 2264180, 3169852, 3962315, 4528360, 6339704, 7924630, 15849260, 31698520]

約数ペア:

[(1, 31698520), (2, 15849260), (4, 7924630), (5, 6339704), (7, 4528360), (8, 3962315), (10, 3169852), (14, 2264180), (20, 1584926), (28, 1132090), (35, 905672), (40, 792463), (56, 566045), (70, 452836), (140, 226418), (280, 113209)]