720199228

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{2221}}^1$

素因数の和:2582

約数の個数: 48

約数和(自身を含む): 1484722624

約数和(自身を除く): 764523396

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 313, 518, 626, 1036, 1252, 2191, 2221, 4382, 4442, 8764, 8884, 11581, 15547, 23162, 31094, 46324, 62188, 81067, 82177, 162134, 164354, 324268, 328708, 575239, 695173, 1150478, 1390346, 2300956, 2780692, 4866211, 9732422, 19464844, 25721401, 51442802, 102885604, 180049807, 360099614, 720199228]

約数ペア:

[(1, 720199228), (2, 360099614), (4, 180049807), (7, 102885604), (14, 51442802), (28, 25721401), (37, 19464844), (74, 9732422), (148, 4866211), (259, 2780692), (313, 2300956), (518, 1390346), (626, 1150478), (1036, 695173), (1252, 575239), (2191, 328708), (2221, 324268), (4382, 164354), (4442, 162134), (8764, 82177), (8884, 81067), (11581, 62188), (15547, 46324), (23162, 31094)]