3966620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{977}}^1$

素因数の和:1022

約数の個数: 48

約数和(自身を含む): 9858240

約数和(自身を除く): 5891620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 977, 1015, 1954, 2030, 3908, 4060, 4885, 6839, 9770, 13678, 19540, 27356, 28333, 34195, 56666, 68390, 113332, 136780, 141665, 198331, 283330, 396662, 566660, 793324, 991655, 1983310, 3966620]

約数ペア:

[(1, 3966620), (2, 1983310), (4, 991655), (5, 793324), (7, 566660), (10, 396662), (14, 283330), (20, 198331), (28, 141665), (29, 136780), (35, 113332), (58, 68390), (70, 56666), (116, 34195), (140, 28333), (145, 27356), (203, 19540), (290, 13678), (406, 9770), (580, 6839), (812, 4885), (977, 4060), (1015, 3908), (1954, 2030)]