273149660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1997}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 656558784

約数和(自身を除く): 383409124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 977, 1954, 1997, 3908, 3994, 4885, 6839, 7988, 9770, 9985, 13678, 13979, 19540, 19970, 27356, 27958, 34195, 39940, 55916, 68390, 69895, 136780, 139790, 279580, 1951069, 3902138, 7804276, 9755345, 13657483, 19510690, 27314966, 39021380, 54629932, 68287415, 136574830, 273149660]

約数ペア:

[(1, 273149660), (2, 136574830), (4, 68287415), (5, 54629932), (7, 39021380), (10, 27314966), (14, 19510690), (20, 13657483), (28, 9755345), (35, 7804276), (70, 3902138), (140, 1951069), (977, 279580), (1954, 139790), (1997, 136780), (3908, 69895), (3994, 68390), (4885, 55916), (6839, 39940), (7988, 34195), (9770, 27958), (9985, 27356), (13678, 19970), (13979, 19540)]