289170728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:871

約数の個数: 128

約数和(自身を含む): 735436800

約数和(自身を除く): 446266072

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 31, 38, 44, 56, 62, 76, 77, 88, 124, 133, 152, 154, 209, 217, 248, 266, 308, 341, 418, 434, 532, 589, 616, 682, 797, 836, 868, 1064, 1178, 1364, 1463, 1594, 1672, 1736, 2356, 2387, 2728, 2926, 3188, 4123, 4712, 4774, 5579, 5852, 6376, 6479, 8246, 8767, 9548, 11158, 11704, 12958, 15143, 16492, 17534, 19096, 22316, 24707, 25916, 30286, 32984, 35068, 44632, 45353, 49414, 51832, 60572, 61369, 70136, 90706, 98828, 106001, 121144, 122738, 166573, 172949, 181412, 197656, 212002, 245476, 271777, 333146, 345898, 362824, 424004, 469433, 490952, 543554, 666292, 691796, 848008, 938866, 1087108, 1166011, 1332584, 1383592, 1877732, 1902439, 2174216, 2332022, 3286031, 3755464, 3804878, 4664044, 5163763, 6572062, 7609756, 9328088, 10327526, 13144124, 15219512, 20655052, 26288248, 36146341, 41310104, 72292682, 144585364, 289170728]

約数ペア:

[(1, 289170728), (2, 144585364), (4, 72292682), (7, 41310104), (8, 36146341), (11, 26288248), (14, 20655052), (19, 15219512), (22, 13144124), (28, 10327526), (31, 9328088), (38, 7609756), (44, 6572062), (56, 5163763), (62, 4664044), (76, 3804878), (77, 3755464), (88, 3286031), (124, 2332022), (133, 2174216), (152, 1902439), (154, 1877732), (209, 1383592), (217, 1332584), (248, 1166011), (266, 1087108), (308, 938866), (341, 848008), (418, 691796), (434, 666292), (532, 543554), (589, 490952), (616, 469433), (682, 424004), (797, 362824), (836, 345898), (868, 333146), (1064, 271777), (1178, 245476), (1364, 212002), (1463, 197656), (1594, 181412), (1672, 172949), (1736, 166573), (2356, 122738), (2387, 121144), (2728, 106001), (2926, 98828), (3188, 90706), (4123, 70136), (4712, 61369), (4774, 60572), (5579, 51832), (5852, 49414), (6376, 45353), (6479, 44632), (8246, 35068), (8767, 32984), (9548, 30286), (11158, 25916), (11704, 24707), (12958, 22316), (15143, 19096), (16492, 17534)]