128966900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{113}}^2$

素因数の和:341

約数の個数: 54

約数和(自身を含む): 285152322

約数和(自身を除く): 156185422

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 113, 202, 226, 404, 452, 505, 565, 1010, 1130, 2020, 2260, 2525, 2825, 5050, 5650, 10100, 11300, 11413, 12769, 22826, 25538, 45652, 51076, 57065, 63845, 114130, 127690, 228260, 255380, 285325, 319225, 570650, 638450, 1141300, 1276900, 1289669, 2579338, 5158676, 6448345, 12896690, 25793380, 32241725, 64483450, 128966900]

約数ペア:

[(1, 128966900), (2, 64483450), (4, 32241725), (5, 25793380), (10, 12896690), (20, 6448345), (25, 5158676), (50, 2579338), (100, 1289669), (101, 1276900), (113, 1141300), (202, 638450), (226, 570650), (404, 319225), (452, 285325), (505, 255380), (565, 228260), (1010, 127690), (1130, 114130), (2020, 63845), (2260, 57065), (2525, 51076), (2825, 45652), (5050, 25538), (5650, 22826), (10100, 12769), (11300, 11413)]