201489760

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{3079}}^1$

素因数の和:3503

約数の個数: 48

約数和(自身を含む): 477338400

約数和(自身を除く): 275848640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 3079, 3272, 4090, 6158, 6544, 8180, 12316, 13088, 15395, 16360, 24632, 30790, 32720, 49264, 61580, 65440, 98528, 123160, 246320, 492640, 1259311, 2518622, 5037244, 6296555, 10074488, 12593110, 20148976, 25186220, 40297952, 50372440, 100744880, 201489760]

約数ペア:

[(1, 201489760), (2, 100744880), (4, 50372440), (5, 40297952), (8, 25186220), (10, 20148976), (16, 12593110), (20, 10074488), (32, 6296555), (40, 5037244), (80, 2518622), (160, 1259311), (409, 492640), (818, 246320), (1636, 123160), (2045, 98528), (3079, 65440), (3272, 61580), (4090, 49264), (6158, 32720), (6544, 30790), (8180, 24632), (12316, 16360), (13088, 15395)]