208034440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{305933}}^1$

素因数の和:305961

約数の個数: 32

約数和(自身を含む): 495613080

約数和(自身を除く): 287578640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 305933, 611866, 1223732, 1529665, 2447464, 3059330, 5200861, 6118660, 10401722, 12237320, 20803444, 26004305, 41606888, 52008610, 104017220, 208034440]

約数ペア:

[(1, 208034440), (2, 104017220), (4, 52008610), (5, 41606888), (8, 26004305), (10, 20803444), (17, 12237320), (20, 10401722), (34, 6118660), (40, 5200861), (68, 3059330), (85, 2447464), (136, 1529665), (170, 1223732), (340, 611866), (680, 305933)]