219998872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{1721}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 449958600

約数和(自身を除く): 229959728

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 841, 1102, 1682, 1721, 2204, 3364, 3442, 4408, 6728, 6884, 13768, 15979, 31958, 32699, 49909, 63916, 65398, 99818, 127832, 130796, 199636, 261592, 399272, 948271, 1447361, 1896542, 2894722, 3793084, 5789444, 7586168, 11578888, 27499859, 54999718, 109999436, 219998872]

約数ペア:

[(1, 219998872), (2, 109999436), (4, 54999718), (8, 27499859), (19, 11578888), (29, 7586168), (38, 5789444), (58, 3793084), (76, 2894722), (116, 1896542), (152, 1447361), (232, 948271), (551, 399272), (841, 261592), (1102, 199636), (1682, 130796), (1721, 127832), (2204, 99818), (3364, 65398), (3442, 63916), (4408, 49909), (6728, 32699), (6884, 31958), (13768, 15979)]