128720690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{10273}}^1$

素因数の和:10466

約数の個数: 32

約数和(自身を含む): 266302080

約数和(自身を除く): 137581390

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 179, 358, 895, 1253, 1790, 2506, 6265, 10273, 12530, 20546, 51365, 71911, 102730, 143822, 359555, 719110, 1838867, 3677734, 9194335, 12872069, 18388670, 25744138, 64360345, 128720690]

約数ペア:

[(1, 128720690), (2, 64360345), (5, 25744138), (7, 18388670), (10, 12872069), (14, 9194335), (35, 3677734), (70, 1838867), (179, 719110), (358, 359555), (895, 143822), (1253, 102730), (1790, 71911), (2506, 51365), (6265, 20546), (10273, 12530)]