2105320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 5541120

約数和(自身を除く): 3435800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 103, 140, 146, 206, 280, 292, 365, 412, 511, 515, 584, 721, 730, 824, 1022, 1030, 1442, 1460, 2044, 2060, 2555, 2884, 2920, 3605, 4088, 4120, 5110, 5768, 7210, 7519, 10220, 14420, 15038, 20440, 28840, 30076, 37595, 52633, 60152, 75190, 105266, 150380, 210532, 263165, 300760, 421064, 526330, 1052660, 2105320]

約数ペア:

[(1, 2105320), (2, 1052660), (4, 526330), (5, 421064), (7, 300760), (8, 263165), (10, 210532), (14, 150380), (20, 105266), (28, 75190), (35, 60152), (40, 52633), (56, 37595), (70, 30076), (73, 28840), (103, 20440), (140, 15038), (146, 14420), (206, 10220), (280, 7519), (292, 7210), (365, 5768), (412, 5110), (511, 4120), (515, 4088), (584, 3605), (721, 2920), (730, 2884), (824, 2555), (1022, 2060), (1030, 2044), (1442, 1460)]