2815340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 6580224

約数和(自身を除く): 3764884

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 191, 220, 268, 335, 382, 670, 737, 764, 955, 1340, 1474, 1910, 2101, 2948, 3685, 3820, 4202, 7370, 8404, 10505, 12797, 14740, 21010, 25594, 42020, 51188, 63985, 127970, 140767, 255940, 281534, 563068, 703835, 1407670, 2815340]

約数ペア:

[(1, 2815340), (2, 1407670), (4, 703835), (5, 563068), (10, 281534), (11, 255940), (20, 140767), (22, 127970), (44, 63985), (55, 51188), (67, 42020), (110, 25594), (134, 21010), (191, 14740), (220, 12797), (268, 10505), (335, 8404), (382, 7370), (670, 4202), (737, 3820), (764, 3685), (955, 2948), (1340, 2101), (1474, 1910)]