178976620

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 381326400

約数和(自身を除く): 202349780

約数列:

[1, 2, 4, 5, 10, 20, 193, 199, 233, 386, 398, 466, 772, 796, 932, 965, 995, 1165, 1930, 1990, 2330, 3860, 3980, 4660, 38407, 44969, 46367, 76814, 89938, 92734, 153628, 179876, 185468, 192035, 224845, 231835, 384070, 449690, 463670, 768140, 899380, 927340, 8948831, 17897662, 35795324, 44744155, 89488310, 178976620]

約数ペア:

[(1, 178976620), (2, 89488310), (4, 44744155), (5, 35795324), (10, 17897662), (20, 8948831), (193, 927340), (199, 899380), (233, 768140), (386, 463670), (398, 449690), (466, 384070), (772, 231835), (796, 224845), (932, 192035), (965, 185468), (995, 179876), (1165, 153628), (1930, 92734), (1990, 89938), (2330, 76814), (3860, 46367), (3980, 44969), (4660, 38407)]