257044270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{28031}}^1$

素因数の和:28176

約数の個数: 32

約数和(自身を含む): 532832256

約数和(自身を除く): 275787986

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 262, 655, 917, 1310, 1834, 4585, 9170, 28031, 56062, 140155, 196217, 280310, 392434, 981085, 1962170, 3672061, 7344122, 18360305, 25704427, 36720610, 51408854, 128522135, 257044270]

約数ペア:

[(1, 257044270), (2, 128522135), (5, 51408854), (7, 36720610), (10, 25704427), (14, 18360305), (35, 7344122), (70, 3672061), (131, 1962170), (262, 981085), (655, 392434), (917, 280310), (1310, 196217), (1834, 140155), (4585, 56062), (9170, 28031)]