811240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1193}}^1$

素因数の和:1221

約数の個数: 32

約数和(自身を含む): 1934280

約数和(自身を除く): 1123040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 1193, 2386, 4772, 5965, 9544, 11930, 20281, 23860, 40562, 47720, 81124, 101405, 162248, 202810, 405620, 811240]

約数ペア:

[(1, 811240), (2, 405620), (4, 202810), (5, 162248), (8, 101405), (10, 81124), (17, 47720), (20, 40562), (34, 23860), (40, 20281), (68, 11930), (85, 9544), (136, 5965), (170, 4772), (340, 2386), (680, 1193)]