257130370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{32507}}^1$

素因数の和:32634

約数の個数: 32

約数和(自身を含む): 533651328

約数和(自身を除く): 276520958

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 113, 226, 565, 791, 1130, 1582, 3955, 7910, 32507, 65014, 162535, 227549, 325070, 455098, 1137745, 2275490, 3673291, 7346582, 18366455, 25713037, 36732910, 51426074, 128565185, 257130370]

約数ペア:

[(1, 257130370), (2, 128565185), (5, 51426074), (7, 36732910), (10, 25713037), (14, 18366455), (35, 7346582), (70, 3673291), (113, 2275490), (226, 1137745), (565, 455098), (791, 325070), (1130, 227549), (1582, 162535), (3955, 65014), (7910, 32507)]