720448712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{269}}^1\times {\mathrm{419}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 1469664000

約数和(自身を除く): 749215288

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 269, 376, 419, 538, 799, 838, 1076, 1598, 1676, 2152, 3196, 3352, 4573, 6392, 7123, 9146, 12643, 14246, 18292, 19693, 25286, 28492, 36584, 39386, 50572, 56984, 78772, 101144, 112711, 157544, 214931, 225422, 334781, 429862, 450844, 669562, 859724, 901688, 1339124, 1719448, 1916087, 2678248, 3832174, 5297417, 7664348, 10594834, 15328696, 21189668, 42379336, 90056089, 180112178, 360224356, 720448712]

約数ペア:

[(1, 720448712), (2, 360224356), (4, 180112178), (8, 90056089), (17, 42379336), (34, 21189668), (47, 15328696), (68, 10594834), (94, 7664348), (136, 5297417), (188, 3832174), (269, 2678248), (376, 1916087), (419, 1719448), (538, 1339124), (799, 901688), (838, 859724), (1076, 669562), (1598, 450844), (1676, 429862), (2152, 334781), (3196, 225422), (3352, 214931), (4573, 157544), (6392, 112711), (7123, 101144), (9146, 78772), (12643, 56984), (14246, 50572), (18292, 39386), (19693, 36584), (25286, 28492)]