220123004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{359}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 418037760

約数和(自身を除く): 197914756

約数列:

[1, 2, 4, 17, 34, 68, 71, 127, 142, 254, 284, 359, 508, 718, 1207, 1436, 2159, 2414, 4318, 4828, 6103, 8636, 9017, 12206, 18034, 24412, 25489, 36068, 45593, 50978, 91186, 101956, 153289, 182372, 306578, 433313, 613156, 775081, 866626, 1550162, 1733252, 3100324, 3237103, 6474206, 12948412, 55030751, 110061502, 220123004]

約数ペア:

[(1, 220123004), (2, 110061502), (4, 55030751), (17, 12948412), (34, 6474206), (68, 3237103), (71, 3100324), (127, 1733252), (142, 1550162), (254, 866626), (284, 775081), (359, 613156), (508, 433313), (718, 306578), (1207, 182372), (1436, 153289), (2159, 101956), (2414, 91186), (4318, 50978), (4828, 45593), (6103, 36068), (8636, 25489), (9017, 24412), (12206, 18034)]