221395524

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:215

約数の個数: 144

約数和(自身を含む): 640080000

約数和(自身を除く): 418684476

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 149, 196, 228, 266, 294, 298, 343, 361, 399, 447, 532, 588, 596, 686, 722, 798, 894, 931, 1029, 1043, 1083, 1372, 1444, 1596, 1788, 1862, 2058, 2086, 2166, 2527, 2793, 2831, 3129, 3724, 4116, 4172, 4332, 5054, 5586, 5662, 6258, 6517, 7301, 7581, 8493, 10108, 11172, 11324, 12516, 13034, 14602, 15162, 16986, 17689, 19551, 19817, 21903, 26068, 29204, 30324, 33972, 35378, 39102, 39634, 43806, 51107, 53067, 53789, 59451, 70756, 78204, 79268, 87612, 102214, 106134, 107578, 118902, 123823, 138719, 153321, 161367, 204428, 212268, 215156, 237804, 247646, 277438, 306642, 322734, 371469, 376523, 416157, 495292, 554876, 613284, 645468, 742938, 753046, 832314, 971033, 1129569, 1485876, 1506092, 1664628, 1942066, 2259138, 2635661, 2913099, 3884132, 4518276, 5271322, 5826198, 7906983, 10542644, 11652396, 15813966, 18449627, 31627932, 36899254, 55348881, 73798508, 110697762, 221395524]

約数ペア:

[(1, 221395524), (2, 110697762), (3, 73798508), (4, 55348881), (6, 36899254), (7, 31627932), (12, 18449627), (14, 15813966), (19, 11652396), (21, 10542644), (28, 7906983), (38, 5826198), (42, 5271322), (49, 4518276), (57, 3884132), (76, 2913099), (84, 2635661), (98, 2259138), (114, 1942066), (133, 1664628), (147, 1506092), (149, 1485876), (196, 1129569), (228, 971033), (266, 832314), (294, 753046), (298, 742938), (343, 645468), (361, 613284), (399, 554876), (447, 495292), (532, 416157), (588, 376523), (596, 371469), (686, 322734), (722, 306642), (798, 277438), (894, 247646), (931, 237804), (1029, 215156), (1043, 212268), (1083, 204428), (1372, 161367), (1444, 153321), (1596, 138719), (1788, 123823), (1862, 118902), (2058, 107578), (2086, 106134), (2166, 102214), (2527, 87612), (2793, 79268), (2831, 78204), (3129, 70756), (3724, 59451), (4116, 53789), (4172, 53067), (4332, 51107), (5054, 43806), (5586, 39634), (5662, 39102), (6258, 35378), (6517, 33972), (7301, 30324), (7581, 29204), (8493, 26068), (10108, 21903), (11172, 19817), (11324, 19551), (12516, 17689), (13034, 16986), (14602, 15162)]