210399640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{1499}}^1$

素因数の和:1561

約数の個数: 96

約数和(自身を含む): 538650000

約数和(自身を除く): 328250360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 121, 145, 220, 232, 242, 290, 319, 440, 484, 580, 605, 638, 968, 1160, 1210, 1276, 1499, 1595, 2420, 2552, 2998, 3190, 3509, 4840, 5996, 6380, 7018, 7495, 11992, 12760, 14036, 14990, 16489, 17545, 28072, 29980, 32978, 35090, 43471, 59960, 65956, 70180, 82445, 86942, 131912, 140360, 164890, 173884, 181379, 217355, 329780, 347768, 362758, 434710, 478181, 659560, 725516, 869420, 906895, 956362, 1451032, 1738840, 1813790, 1912724, 2390905, 3627580, 3825448, 4781810, 5259991, 7255160, 9563620, 10519982, 19127240, 21039964, 26299955, 42079928, 52599910, 105199820, 210399640]

約数ペア:

[(1, 210399640), (2, 105199820), (4, 52599910), (5, 42079928), (8, 26299955), (10, 21039964), (11, 19127240), (20, 10519982), (22, 9563620), (29, 7255160), (40, 5259991), (44, 4781810), (55, 3825448), (58, 3627580), (88, 2390905), (110, 1912724), (116, 1813790), (121, 1738840), (145, 1451032), (220, 956362), (232, 906895), (242, 869420), (290, 725516), (319, 659560), (440, 478181), (484, 434710), (580, 362758), (605, 347768), (638, 329780), (968, 217355), (1160, 181379), (1210, 173884), (1276, 164890), (1499, 140360), (1595, 131912), (2420, 86942), (2552, 82445), (2998, 70180), (3190, 65956), (3509, 59960), (4840, 43471), (5996, 35090), (6380, 32978), (7018, 29980), (7495, 28072), (11992, 17545), (12760, 16489), (14036, 14990)]