2129120

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{1901}}^1$

素因数の和:1923

約数の個数: 48

約数和(自身を含む): 5751648

約数和(自身を除く): 3622528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 1901, 3802, 7604, 9505, 13307, 15208, 19010, 26614, 30416, 38020, 53228, 60832, 66535, 76040, 106456, 133070, 152080, 212912, 266140, 304160, 425824, 532280, 1064560, 2129120]

約数ペア:

[(1, 2129120), (2, 1064560), (4, 532280), (5, 425824), (7, 304160), (8, 266140), (10, 212912), (14, 152080), (16, 133070), (20, 106456), (28, 76040), (32, 66535), (35, 60832), (40, 53228), (56, 38020), (70, 30416), (80, 26614), (112, 19010), (140, 15208), (160, 13307), (224, 9505), (280, 7604), (560, 3802), (1120, 1901)]