2001580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 5267808

約数和(自身を除く): 3266228

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 29, 34, 35, 58, 68, 70, 85, 116, 119, 140, 145, 170, 203, 238, 290, 340, 406, 476, 493, 580, 595, 812, 841, 986, 1015, 1190, 1682, 1972, 2030, 2380, 2465, 3364, 3451, 4060, 4205, 4930, 5887, 6902, 8410, 9860, 11774, 13804, 14297, 16820, 17255, 23548, 28594, 29435, 34510, 57188, 58870, 69020, 71485, 100079, 117740, 142970, 200158, 285940, 400316, 500395, 1000790, 2001580]

約数ペア:

[(1, 2001580), (2, 1000790), (4, 500395), (5, 400316), (7, 285940), (10, 200158), (14, 142970), (17, 117740), (20, 100079), (28, 71485), (29, 69020), (34, 58870), (35, 57188), (58, 34510), (68, 29435), (70, 28594), (85, 23548), (116, 17255), (119, 16820), (140, 14297), (145, 13804), (170, 11774), (203, 9860), (238, 8410), (290, 6902), (340, 5887), (406, 4930), (476, 4205), (493, 4060), (580, 3451), (595, 3364), (812, 2465), (841, 2380), (986, 2030), (1015, 1972), (1190, 1682)]