518294620

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1\times {\mathrm{487}}^1$

素因数の和:1042

約数の個数: 48

約数和(自身を含む): 1101864960

約数和(自身を除く): 583570340

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 419, 487, 508, 635, 838, 974, 1270, 1676, 1948, 2095, 2435, 2540, 4190, 4870, 8380, 9740, 53213, 61849, 106426, 123698, 204053, 212852, 247396, 266065, 309245, 408106, 532130, 618490, 816212, 1020265, 1064260, 1236980, 2040530, 4081060, 25914731, 51829462, 103658924, 129573655, 259147310, 518294620]

約数ペア:

[(1, 518294620), (2, 259147310), (4, 129573655), (5, 103658924), (10, 51829462), (20, 25914731), (127, 4081060), (254, 2040530), (419, 1236980), (487, 1064260), (508, 1020265), (635, 816212), (838, 618490), (974, 532130), (1270, 408106), (1676, 309245), (1948, 266065), (2095, 247396), (2435, 212852), (2540, 204053), (4190, 123698), (4870, 106426), (8380, 61849), (9740, 53213)]