210955988

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 388962000

約数和(自身を除く): 178006012

約数列:

[1, 2, 4, 41, 82, 89, 97, 149, 164, 178, 194, 298, 356, 388, 596, 3649, 3977, 6109, 7298, 7954, 8633, 12218, 13261, 14453, 14596, 15908, 17266, 24436, 26522, 28906, 34532, 53044, 57812, 353953, 543701, 592573, 707906, 1087402, 1185146, 1286317, 1415812, 2174804, 2370292, 2572634, 5145268, 52738997, 105477994, 210955988]

約数ペア:

[(1, 210955988), (2, 105477994), (4, 52738997), (41, 5145268), (82, 2572634), (89, 2370292), (97, 2174804), (149, 1415812), (164, 1286317), (178, 1185146), (194, 1087402), (298, 707906), (356, 592573), (388, 543701), (596, 353953), (3649, 57812), (3977, 53044), (6109, 34532), (7298, 28906), (7954, 26522), (8633, 24436), (12218, 17266), (13261, 15908), (14453, 14596)]