220131808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 491520960

約数和(自身を除く): 271389152

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 71, 104, 116, 142, 208, 232, 257, 284, 377, 416, 464, 514, 568, 754, 923, 928, 1028, 1136, 1508, 1846, 2056, 2059, 2272, 3016, 3341, 3692, 4112, 4118, 6032, 6682, 7384, 7453, 8224, 8236, 12064, 13364, 14768, 14906, 16472, 18247, 26728, 26767, 29536, 29812, 32944, 36494, 53456, 53534, 59624, 65888, 72988, 96889, 106912, 107068, 119248, 145976, 193778, 214136, 237211, 238496, 291952, 387556, 428272, 474422, 529163, 583904, 775112, 856544, 948844, 1058326, 1550224, 1897688, 2116652, 3100448, 3795376, 4233304, 6879119, 7590752, 8466608, 13758238, 16933216, 27516476, 55032952, 110065904, 220131808]

約数ペア:

[(1, 220131808), (2, 110065904), (4, 55032952), (8, 27516476), (13, 16933216), (16, 13758238), (26, 8466608), (29, 7590752), (32, 6879119), (52, 4233304), (58, 3795376), (71, 3100448), (104, 2116652), (116, 1897688), (142, 1550224), (208, 1058326), (232, 948844), (257, 856544), (284, 775112), (377, 583904), (416, 529163), (464, 474422), (514, 428272), (568, 387556), (754, 291952), (923, 238496), (928, 237211), (1028, 214136), (1136, 193778), (1508, 145976), (1846, 119248), (2056, 107068), (2059, 106912), (2272, 96889), (3016, 72988), (3341, 65888), (3692, 59624), (4112, 53534), (4118, 53456), (6032, 36494), (6682, 32944), (7384, 29812), (7453, 29536), (8224, 26767), (8236, 26728), (12064, 18247), (13364, 16472), (14768, 14906)]