490001568

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:704

約数の個数: 192

約数和(自身を含む): 1567641600

約数和(自身を除く): 1077640032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 69, 84, 92, 96, 98, 112, 138, 147, 161, 168, 184, 196, 224, 276, 294, 322, 336, 343, 368, 392, 483, 552, 588, 644, 647, 672, 686, 736, 784, 966, 1029, 1104, 1127, 1176, 1288, 1294, 1372, 1568, 1932, 1941, 2058, 2208, 2254, 2352, 2576, 2588, 2744, 3381, 3864, 3882, 4116, 4508, 4529, 4704, 5152, 5176, 5488, 6762, 7728, 7764, 7889, 8232, 9016, 9058, 10352, 10976, 13524, 13587, 14881, 15456, 15528, 15778, 16464, 18032, 18116, 20704, 23667, 27048, 27174, 29762, 31056, 31556, 31703, 32928, 36064, 36232, 44643, 47334, 54096, 54348, 59524, 62112, 63112, 63406, 72464, 89286, 94668, 95109, 104167, 108192, 108696, 119048, 126224, 126812, 144928, 178572, 189336, 190218, 208334, 217392, 221921, 238096, 252448, 253624, 312501, 357144, 378672, 380436, 416668, 434784, 443842, 476192, 507248, 625002, 665763, 714288, 729169, 757344, 760872, 833336, 887684, 1014496, 1250004, 1331526, 1428576, 1458338, 1521744, 1666672, 1775368, 2187507, 2500008, 2663052, 2916676, 3043488, 3333344, 3550736, 4375014, 5000016, 5104183, 5326104, 5833352, 7101472, 8750028, 10000032, 10208366, 10652208, 11666704, 15312549, 17500056, 20416732, 21304416, 23333408, 30625098, 35000112, 40833464, 61250196, 70000224, 81666928, 122500392, 163333856, 245000784, 490001568]

約数ペア:

[(1, 490001568), (2, 245000784), (3, 163333856), (4, 122500392), (6, 81666928), (7, 70000224), (8, 61250196), (12, 40833464), (14, 35000112), (16, 30625098), (21, 23333408), (23, 21304416), (24, 20416732), (28, 17500056), (32, 15312549), (42, 11666704), (46, 10652208), (48, 10208366), (49, 10000032), (56, 8750028), (69, 7101472), (84, 5833352), (92, 5326104), (96, 5104183), (98, 5000016), (112, 4375014), (138, 3550736), (147, 3333344), (161, 3043488), (168, 2916676), (184, 2663052), (196, 2500008), (224, 2187507), (276, 1775368), (294, 1666672), (322, 1521744), (336, 1458338), (343, 1428576), (368, 1331526), (392, 1250004), (483, 1014496), (552, 887684), (588, 833336), (644, 760872), (647, 757344), (672, 729169), (686, 714288), (736, 665763), (784, 625002), (966, 507248), (1029, 476192), (1104, 443842), (1127, 434784), (1176, 416668), (1288, 380436), (1294, 378672), (1372, 357144), (1568, 312501), (1932, 253624), (1941, 252448), (2058, 238096), (2208, 221921), (2254, 217392), (2352, 208334), (2576, 190218), (2588, 189336), (2744, 178572), (3381, 144928), (3864, 126812), (3882, 126224), (4116, 119048), (4508, 108696), (4529, 108192), (4704, 104167), (5152, 95109), (5176, 94668), (5488, 89286), (6762, 72464), (7728, 63406), (7764, 63112), (7889, 62112), (8232, 59524), (9016, 54348), (9058, 54096), (10352, 47334), (10976, 44643), (13524, 36232), (13587, 36064), (14881, 32928), (15456, 31703), (15528, 31556), (15778, 31056), (16464, 29762), (18032, 27174), (18116, 27048), (20704, 23667)]