218630500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 526675968

約数和(自身を除く): 308045468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 127, 220, 250, 254, 275, 313, 500, 508, 550, 626, 635, 1100, 1252, 1270, 1375, 1397, 1565, 2540, 2750, 2794, 3130, 3175, 3443, 5500, 5588, 6260, 6350, 6886, 6985, 7825, 12700, 13772, 13970, 15650, 15875, 17215, 27940, 31300, 31750, 34430, 34925, 39125, 39751, 63500, 68860, 69850, 78250, 79502, 86075, 139700, 156500, 159004, 172150, 174625, 198755, 344300, 349250, 397510, 430375, 437261, 698500, 795020, 860750, 874522, 993775, 1721500, 1749044, 1987550, 2186305, 3975100, 4372610, 4968875, 8745220, 9937750, 10931525, 19875500, 21863050, 43726100, 54657625, 109315250, 218630500]

約数ペア:

[(1, 218630500), (2, 109315250), (4, 54657625), (5, 43726100), (10, 21863050), (11, 19875500), (20, 10931525), (22, 9937750), (25, 8745220), (44, 4968875), (50, 4372610), (55, 3975100), (100, 2186305), (110, 1987550), (125, 1749044), (127, 1721500), (220, 993775), (250, 874522), (254, 860750), (275, 795020), (313, 698500), (500, 437261), (508, 430375), (550, 397510), (626, 349250), (635, 344300), (1100, 198755), (1252, 174625), (1270, 172150), (1375, 159004), (1397, 156500), (1565, 139700), (2540, 86075), (2750, 79502), (2794, 78250), (3130, 69850), (3175, 68860), (3443, 63500), (5500, 39751), (5588, 39125), (6260, 34925), (6350, 34430), (6886, 31750), (6985, 31300), (7825, 27940), (12700, 17215), (13772, 15875), (13970, 15650)]