2299690

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 4354560

約数和(自身を除く): 2054870

約数列:

[1, 2, 5, 10, 41, 71, 79, 82, 142, 158, 205, 355, 395, 410, 710, 790, 2911, 3239, 5609, 5822, 6478, 11218, 14555, 16195, 28045, 29110, 32390, 56090, 229969, 459938, 1149845, 2299690]

約数ペア:

[(1, 2299690), (2, 1149845), (5, 459938), (10, 229969), (41, 56090), (71, 32390), (79, 29110), (82, 28045), (142, 16195), (158, 14555), (205, 11218), (355, 6478), (395, 5822), (410, 5609), (710, 3239), (790, 2911)]