2018212900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 4939683840

約数和(自身を除く): 2921470940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 47, 50, 55, 94, 100, 103, 110, 188, 206, 220, 235, 275, 379, 412, 470, 515, 517, 550, 758, 940, 1030, 1034, 1100, 1133, 1175, 1516, 1895, 2060, 2068, 2266, 2350, 2575, 2585, 3790, 4169, 4532, 4700, 4841, 5150, 5170, 5665, 7580, 8338, 9475, 9682, 10300, 10340, 11330, 12925, 16676, 17813, 18950, 19364, 20845, 22660, 24205, 25850, 28325, 35626, 37900, 39037, 41690, 48410, 51700, 53251, 56650, 71252, 78074, 83380, 89065, 96820, 104225, 106502, 113300, 121025, 156148, 178130, 195185, 195943, 208450, 213004, 242050, 266255, 356260, 390370, 391886, 416900, 429407, 445325, 484100, 532510, 780740, 783772, 858814, 890650, 975925, 979715, 1065020, 1331275, 1717628, 1781300, 1834739, 1951850, 1959430, 2147035, 2662550, 3669478, 3903700, 3918860, 4294070, 4898575, 5325100, 7338956, 8588140, 9173695, 9797150, 10735175, 18347390, 19594300, 20182129, 21470350, 36694780, 40364258, 42940700, 45868475, 80728516, 91736950, 100910645, 183473900, 201821290, 403642580, 504553225, 1009106450, 2018212900]

約数ペア:

[(1, 2018212900), (2, 1009106450), (4, 504553225), (5, 403642580), (10, 201821290), (11, 183473900), (20, 100910645), (22, 91736950), (25, 80728516), (44, 45868475), (47, 42940700), (50, 40364258), (55, 36694780), (94, 21470350), (100, 20182129), (103, 19594300), (110, 18347390), (188, 10735175), (206, 9797150), (220, 9173695), (235, 8588140), (275, 7338956), (379, 5325100), (412, 4898575), (470, 4294070), (515, 3918860), (517, 3903700), (550, 3669478), (758, 2662550), (940, 2147035), (1030, 1959430), (1034, 1951850), (1100, 1834739), (1133, 1781300), (1175, 1717628), (1516, 1331275), (1895, 1065020), (2060, 979715), (2068, 975925), (2266, 890650), (2350, 858814), (2575, 783772), (2585, 780740), (3790, 532510), (4169, 484100), (4532, 445325), (4700, 429407), (4841, 416900), (5150, 391886), (5170, 390370), (5665, 356260), (7580, 266255), (8338, 242050), (9475, 213004), (9682, 208450), (10300, 195943), (10340, 195185), (11330, 178130), (12925, 156148), (16676, 121025), (17813, 113300), (18950, 106502), (19364, 104225), (20845, 96820), (22660, 89065), (24205, 83380), (25850, 78074), (28325, 71252), (35626, 56650), (37900, 53251), (39037, 51700), (41690, 48410)]