340490960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{250361}}^1$

素因数の和:250391

約数の個数: 40

約数和(自身を含む): 838211976

約数和(自身を除く): 497721016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 250361, 500722, 1001444, 1251805, 2002888, 2503610, 4005776, 4256137, 5007220, 8512274, 10014440, 17024548, 20028880, 21280685, 34049096, 42561370, 68098192, 85122740, 170245480, 340490960]

約数ペア:

[(1, 340490960), (2, 170245480), (4, 85122740), (5, 68098192), (8, 42561370), (10, 34049096), (16, 21280685), (17, 20028880), (20, 17024548), (34, 10014440), (40, 8512274), (68, 5007220), (80, 4256137), (85, 4005776), (136, 2503610), (170, 2002888), (272, 1251805), (340, 1001444), (680, 500722), (1360, 250361)]