42985400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1091}}^1$

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 100540440

約数和(自身を除く): 57555040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1091, 1576, 1970, 2182, 3940, 4364, 4925, 5455, 7880, 8728, 9850, 10910, 19700, 21820, 27275, 39400, 43640, 54550, 109100, 214927, 218200, 429854, 859708, 1074635, 1719416, 2149270, 4298540, 5373175, 8597080, 10746350, 21492700, 42985400]

約数ペア:

[(1, 42985400), (2, 21492700), (4, 10746350), (5, 8597080), (8, 5373175), (10, 4298540), (20, 2149270), (25, 1719416), (40, 1074635), (50, 859708), (100, 429854), (197, 218200), (200, 214927), (394, 109100), (788, 54550), (985, 43640), (1091, 39400), (1576, 27275), (1970, 21820), (2182, 19700), (3940, 10910), (4364, 9850), (4925, 8728), (5455, 7880)]