1295140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 3511872

約数和(自身を除く): 2216732

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 29, 35, 44, 55, 58, 70, 77, 110, 116, 140, 145, 154, 203, 220, 290, 308, 319, 385, 406, 580, 638, 770, 812, 841, 1015, 1276, 1540, 1595, 1682, 2030, 2233, 3190, 3364, 4060, 4205, 4466, 5887, 6380, 8410, 8932, 9251, 11165, 11774, 16820, 18502, 22330, 23548, 29435, 37004, 44660, 46255, 58870, 64757, 92510, 117740, 129514, 185020, 259028, 323785, 647570, 1295140]

約数ペア:

[(1, 1295140), (2, 647570), (4, 323785), (5, 259028), (7, 185020), (10, 129514), (11, 117740), (14, 92510), (20, 64757), (22, 58870), (28, 46255), (29, 44660), (35, 37004), (44, 29435), (55, 23548), (58, 22330), (70, 18502), (77, 16820), (110, 11774), (116, 11165), (140, 9251), (145, 8932), (154, 8410), (203, 6380), (220, 5887), (290, 4466), (308, 4205), (319, 4060), (385, 3364), (406, 3190), (580, 2233), (638, 2030), (770, 1682), (812, 1595), (841, 1540), (1015, 1276)]