490253712

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1979}}^1$

素因数の和:2400

約数の個数: 80

約数和(自身を含む): 1368037440

約数和(自身を除く): 877783728

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 397, 624, 794, 1191, 1588, 1979, 2382, 3176, 3958, 4764, 5161, 5937, 6352, 7916, 9528, 10322, 11874, 15483, 15832, 19056, 20644, 23748, 25727, 30966, 31664, 41288, 47496, 51454, 61932, 77181, 82576, 94992, 102908, 123864, 154362, 205816, 247728, 308724, 411632, 617448, 785663, 1234896, 1571326, 2356989, 3142652, 4713978, 6285304, 9427956, 10213619, 12570608, 18855912, 20427238, 30640857, 37711824, 40854476, 61281714, 81708952, 122563428, 163417904, 245126856, 490253712]

約数ペア:

[(1, 490253712), (2, 245126856), (3, 163417904), (4, 122563428), (6, 81708952), (8, 61281714), (12, 40854476), (13, 37711824), (16, 30640857), (24, 20427238), (26, 18855912), (39, 12570608), (48, 10213619), (52, 9427956), (78, 6285304), (104, 4713978), (156, 3142652), (208, 2356989), (312, 1571326), (397, 1234896), (624, 785663), (794, 617448), (1191, 411632), (1588, 308724), (1979, 247728), (2382, 205816), (3176, 154362), (3958, 123864), (4764, 102908), (5161, 94992), (5937, 82576), (6352, 77181), (7916, 61932), (9528, 51454), (10322, 47496), (11874, 41288), (15483, 31664), (15832, 30966), (19056, 25727), (20644, 23748)]