17798440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2170

約数の個数: 64

約数和(自身を含む): 46008000

約数和(自身を除く): 28209560

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 2129, 4180, 4258, 8360, 8516, 10645, 17032, 21290, 23419, 40451, 42580, 46838, 80902, 85160, 93676, 117095, 161804, 187352, 202255, 234190, 323608, 404510, 444961, 468380, 809020, 889922, 936760, 1618040, 1779844, 2224805, 3559688, 4449610, 8899220, 17798440]

約数ペア:

[(1, 17798440), (2, 8899220), (4, 4449610), (5, 3559688), (8, 2224805), (10, 1779844), (11, 1618040), (19, 936760), (20, 889922), (22, 809020), (38, 468380), (40, 444961), (44, 404510), (55, 323608), (76, 234190), (88, 202255), (95, 187352), (110, 161804), (152, 117095), (190, 93676), (209, 85160), (220, 80902), (380, 46838), (418, 42580), (440, 40451), (760, 23419), (836, 21290), (1045, 17032), (1672, 10645), (2090, 8516), (2129, 8360), (4180, 4258)]