289323440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3209}}^1$

素因数の和:3259

約数の個数: 120

約数和(自身を含む): 816778080

約数和(自身を除く): 527454640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 49, 56, 70, 80, 92, 98, 112, 115, 140, 161, 184, 196, 230, 245, 280, 322, 368, 392, 460, 490, 560, 644, 784, 805, 920, 980, 1127, 1288, 1610, 1840, 1960, 2254, 2576, 3209, 3220, 3920, 4508, 5635, 6418, 6440, 9016, 11270, 12836, 12880, 16045, 18032, 22463, 22540, 25672, 32090, 44926, 45080, 51344, 64180, 73807, 89852, 90160, 112315, 128360, 147614, 157241, 179704, 224630, 256720, 295228, 314482, 359408, 369035, 449260, 516649, 590456, 628964, 738070, 786205, 898520, 1033298, 1180912, 1257928, 1476140, 1572410, 1797040, 2066596, 2515856, 2583245, 2952280, 3144820, 3616543, 4133192, 5166490, 5904560, 6289640, 7233086, 8266384, 10332980, 12579280, 14466172, 18082715, 20665960, 28932344, 36165430, 41331920, 57864688, 72330860, 144661720, 289323440]

約数ペア:

[(1, 289323440), (2, 144661720), (4, 72330860), (5, 57864688), (7, 41331920), (8, 36165430), (10, 28932344), (14, 20665960), (16, 18082715), (20, 14466172), (23, 12579280), (28, 10332980), (35, 8266384), (40, 7233086), (46, 6289640), (49, 5904560), (56, 5166490), (70, 4133192), (80, 3616543), (92, 3144820), (98, 2952280), (112, 2583245), (115, 2515856), (140, 2066596), (161, 1797040), (184, 1572410), (196, 1476140), (230, 1257928), (245, 1180912), (280, 1033298), (322, 898520), (368, 786205), (392, 738070), (460, 628964), (490, 590456), (560, 516649), (644, 449260), (784, 369035), (805, 359408), (920, 314482), (980, 295228), (1127, 256720), (1288, 224630), (1610, 179704), (1840, 157241), (1960, 147614), (2254, 128360), (2576, 112315), (3209, 90160), (3220, 89852), (3920, 73807), (4508, 64180), (5635, 51344), (6418, 45080), (6440, 44926), (9016, 32090), (11270, 25672), (12836, 22540), (12880, 22463), (16045, 18032)]