268417110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{688249}}^1$

素因数の和:688272

約数の個数: 32

約数和(自身を含む): 693756000

約数和(自身を除く): 425338890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 688249, 1376498, 2064747, 3441245, 4129494, 6882490, 8947237, 10323735, 17894474, 20647470, 26841711, 44736185, 53683422, 89472370, 134208555, 268417110]

約数ペア:

[(1, 268417110), (2, 134208555), (3, 89472370), (5, 53683422), (6, 44736185), (10, 26841711), (13, 20647470), (15, 17894474), (26, 10323735), (30, 8947237), (39, 6882490), (65, 4129494), (78, 3441245), (130, 2064747), (195, 1376498), (390, 688249)]