425839540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{42841}}^1$

素因数の和:42928

約数の個数: 48

約数和(自身を含む): 1036433664

約数和(自身を除く): 610594124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 42841, 85682, 171364, 214205, 299887, 428410, 599774, 856820, 1199548, 1499435, 2998870, 3041711, 5997740, 6083422, 12166844, 15208555, 21291977, 30417110, 42583954, 60834220, 85167908, 106459885, 212919770, 425839540]

約数ペア:

[(1, 425839540), (2, 212919770), (4, 106459885), (5, 85167908), (7, 60834220), (10, 42583954), (14, 30417110), (20, 21291977), (28, 15208555), (35, 12166844), (70, 6083422), (71, 5997740), (140, 3041711), (142, 2998870), (284, 1499435), (355, 1199548), (497, 856820), (710, 599774), (994, 428410), (1420, 299887), (1988, 214205), (2485, 171364), (4970, 85682), (9940, 42841)]