56435540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{821}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 135886464

約数和(自身を除く): 79450924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 821, 982, 1642, 1964, 2455, 3284, 3437, 4105, 4910, 5747, 6874, 8210, 9820, 11494, 13748, 16420, 17185, 22988, 28735, 34370, 57470, 68740, 114940, 403111, 806222, 1612444, 2015555, 2821777, 4031110, 5643554, 8062220, 11287108, 14108885, 28217770, 56435540]

約数ペア:

[(1, 56435540), (2, 28217770), (4, 14108885), (5, 11287108), (7, 8062220), (10, 5643554), (14, 4031110), (20, 2821777), (28, 2015555), (35, 1612444), (70, 806222), (140, 403111), (491, 114940), (821, 68740), (982, 57470), (1642, 34370), (1964, 28735), (2455, 22988), (3284, 17185), (3437, 16420), (4105, 13748), (4910, 11494), (5747, 9820), (6874, 8210)]