400460620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{797}}^1$

素因数の和:947

約数の個数: 96

約数和(自身を含む): 998508672

約数和(自身を除く): 598048052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 97, 140, 148, 185, 194, 259, 370, 388, 485, 518, 679, 740, 797, 970, 1036, 1295, 1358, 1594, 1940, 2590, 2716, 3188, 3395, 3589, 3985, 5180, 5579, 6790, 7178, 7970, 11158, 13580, 14356, 15940, 17945, 22316, 25123, 27895, 29489, 35890, 50246, 55790, 58978, 71780, 77309, 100492, 111580, 117956, 125615, 147445, 154618, 206423, 251230, 294890, 309236, 386545, 412846, 502460, 541163, 589780, 773090, 825692, 1032115, 1082326, 1546180, 2064230, 2164652, 2705815, 2860433, 4128460, 5411630, 5720866, 10823260, 11441732, 14302165, 20023031, 28604330, 40046062, 57208660, 80092124, 100115155, 200230310, 400460620]

約数ペア:

[(1, 400460620), (2, 200230310), (4, 100115155), (5, 80092124), (7, 57208660), (10, 40046062), (14, 28604330), (20, 20023031), (28, 14302165), (35, 11441732), (37, 10823260), (70, 5720866), (74, 5411630), (97, 4128460), (140, 2860433), (148, 2705815), (185, 2164652), (194, 2064230), (259, 1546180), (370, 1082326), (388, 1032115), (485, 825692), (518, 773090), (679, 589780), (740, 541163), (797, 502460), (970, 412846), (1036, 386545), (1295, 309236), (1358, 294890), (1594, 251230), (1940, 206423), (2590, 154618), (2716, 147445), (3188, 125615), (3395, 117956), (3589, 111580), (3985, 100492), (5180, 77309), (5579, 71780), (6790, 58978), (7178, 55790), (7970, 50246), (11158, 35890), (13580, 29489), (14356, 27895), (15940, 25123), (17945, 22316)]