2090900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 5416320

約数和(自身を除く): 3325420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 103, 116, 140, 145, 175, 203, 206, 290, 350, 406, 412, 515, 580, 700, 721, 725, 812, 1015, 1030, 1442, 1450, 2030, 2060, 2575, 2884, 2900, 2987, 3605, 4060, 5075, 5150, 5974, 7210, 10150, 10300, 11948, 14420, 14935, 18025, 20300, 20909, 29870, 36050, 41818, 59740, 72100, 74675, 83636, 104545, 149350, 209090, 298700, 418180, 522725, 1045450, 2090900]

約数ペア:

[(1, 2090900), (2, 1045450), (4, 522725), (5, 418180), (7, 298700), (10, 209090), (14, 149350), (20, 104545), (25, 83636), (28, 74675), (29, 72100), (35, 59740), (50, 41818), (58, 36050), (70, 29870), (100, 20909), (103, 20300), (116, 18025), (140, 14935), (145, 14420), (175, 11948), (203, 10300), (206, 10150), (290, 7210), (350, 5974), (406, 5150), (412, 5075), (515, 4060), (580, 3605), (700, 2987), (721, 2900), (725, 2884), (812, 2575), (1015, 2060), (1030, 2030), (1442, 1450)]