28326620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{6977}}^1$

素因数の和:7022

約数の個数: 48

約数和(自身を含む): 70338240

約数和(自身を除く): 42011620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 6977, 13954, 27908, 34885, 48839, 69770, 97678, 139540, 195356, 202333, 244195, 404666, 488390, 809332, 976780, 1011665, 1416331, 2023330, 2832662, 4046660, 5665324, 7081655, 14163310, 28326620]

約数ペア:

[(1, 28326620), (2, 14163310), (4, 7081655), (5, 5665324), (7, 4046660), (10, 2832662), (14, 2023330), (20, 1416331), (28, 1011665), (29, 976780), (35, 809332), (58, 488390), (70, 404666), (116, 244195), (140, 202333), (145, 195356), (203, 139540), (290, 97678), (406, 69770), (580, 48839), (812, 34885), (1015, 27908), (2030, 13954), (4060, 6977)]