1285380100

素因数分解:

$2^2\times 5^2\times {\mathrm{271}}^1\times {\mathrm{47431}}^1$

素因数の和:47716

約数の個数: 36

約数和(自身を含む): 2799626368

約数和(自身を除く): 1514246268

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 271, 542, 1084, 1355, 2710, 5420, 6775, 13550, 27100, 47431, 94862, 189724, 237155, 474310, 948620, 1185775, 2371550, 4743100, 12853801, 25707602, 51415204, 64269005, 128538010, 257076020, 321345025, 642690050, 1285380100]

約数ペア:

[(1, 1285380100), (2, 642690050), (4, 321345025), (5, 257076020), (10, 128538010), (20, 64269005), (25, 51415204), (50, 25707602), (100, 12853801), (271, 4743100), (542, 2371550), (1084, 1185775), (1355, 948620), (2710, 474310), (5420, 237155), (6775, 189724), (13550, 94862), (27100, 47431)]