28395310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{751}}^1$

素因数の和:976

約数の個数: 32

約数和(自身を含む): 54144000

約数和(自身を除く): 25748690

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 199, 398, 751, 995, 1502, 1990, 3755, 3781, 7510, 7562, 14269, 18905, 28538, 37810, 71345, 142690, 149449, 298898, 747245, 1494490, 2839531, 5679062, 14197655, 28395310]

約数ペア:

[(1, 28395310), (2, 14197655), (5, 5679062), (10, 2839531), (19, 1494490), (38, 747245), (95, 298898), (190, 149449), (199, 142690), (398, 71345), (751, 37810), (995, 28538), (1502, 18905), (1990, 14269), (3755, 7562), (3781, 7510)]