6620990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 13262400

約数和(自身を除く): 6641410

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 79, 85, 145, 158, 170, 289, 290, 395, 493, 578, 790, 986, 1343, 1445, 2291, 2465, 2686, 2890, 4582, 4930, 6715, 8381, 11455, 13430, 16762, 22831, 22910, 38947, 41905, 45662, 77894, 83810, 114155, 194735, 228310, 389470, 662099, 1324198, 3310495, 6620990]

約数ペア:

[(1, 6620990), (2, 3310495), (5, 1324198), (10, 662099), (17, 389470), (29, 228310), (34, 194735), (58, 114155), (79, 83810), (85, 77894), (145, 45662), (158, 41905), (170, 38947), (289, 22910), (290, 22831), (395, 16762), (493, 13430), (578, 11455), (790, 8381), (986, 6715), (1343, 4930), (1445, 4582), (2291, 2890), (2465, 2686)]