290181160

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{426737}}^1$

素因数の和:426765

約数の個数: 32

約数和(自身を含む): 691315560

約数和(自身を除く): 401134400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 426737, 853474, 1706948, 2133685, 3413896, 4267370, 7254529, 8534740, 14509058, 17069480, 29018116, 36272645, 58036232, 72545290, 145090580, 290181160]

約数ペア:

[(1, 290181160), (2, 145090580), (4, 72545290), (5, 58036232), (8, 36272645), (10, 29018116), (17, 17069480), (20, 14509058), (34, 8534740), (40, 7254529), (68, 4267370), (85, 3413896), (136, 2133685), (170, 1706948), (340, 853474), (680, 426737)]