8899220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 21470400

約数和(自身を除く): 12571180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 2129, 4180, 4258, 8516, 10645, 21290, 23419, 40451, 42580, 46838, 80902, 93676, 117095, 161804, 202255, 234190, 404510, 444961, 468380, 809020, 889922, 1779844, 2224805, 4449610, 8899220]

約数ペア:

[(1, 8899220), (2, 4449610), (4, 2224805), (5, 1779844), (10, 889922), (11, 809020), (19, 468380), (20, 444961), (22, 404510), (38, 234190), (44, 202255), (55, 161804), (76, 117095), (95, 93676), (110, 80902), (190, 46838), (209, 42580), (220, 40451), (380, 23419), (418, 21290), (836, 10645), (1045, 8516), (2090, 4258), (2129, 4180)]