17984680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{64231}}^1$

素因数の和:64249

約数の個数: 32

約数和(自身を含む): 46247040

約数和(自身を除く): 28262360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 64231, 128462, 256924, 321155, 449617, 513848, 642310, 899234, 1284620, 1798468, 2248085, 2569240, 3596936, 4496170, 8992340, 17984680]

約数ペア:

[(1, 17984680), (2, 8992340), (4, 4496170), (5, 3596936), (7, 2569240), (8, 2248085), (10, 1798468), (14, 1284620), (20, 899234), (28, 642310), (35, 513848), (40, 449617), (56, 321155), (70, 256924), (140, 128462), (280, 64231)]