1288006900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{257}}^1\times {\mathrm{2179}}^1$

素因数の和:2473

約数の個数: 72

約数和(自身を含む): 2929187520

約数和(自身を除く): 1641180620

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 257, 460, 514, 575, 1028, 1150, 1285, 2179, 2300, 2570, 4358, 5140, 5911, 6425, 8716, 10895, 11822, 12850, 21790, 23644, 25700, 29555, 43580, 50117, 54475, 59110, 100234, 108950, 118220, 147775, 200468, 217900, 250585, 295550, 501170, 560003, 591100, 1002340, 1120006, 1252925, 2240012, 2505850, 2800015, 5011700, 5600030, 11200060, 12880069, 14000075, 25760138, 28000150, 51520276, 56000300, 64400345, 128800690, 257601380, 322001725, 644003450, 1288006900]

約数ペア:

[(1, 1288006900), (2, 644003450), (4, 322001725), (5, 257601380), (10, 128800690), (20, 64400345), (23, 56000300), (25, 51520276), (46, 28000150), (50, 25760138), (92, 14000075), (100, 12880069), (115, 11200060), (230, 5600030), (257, 5011700), (460, 2800015), (514, 2505850), (575, 2240012), (1028, 1252925), (1150, 1120006), (1285, 1002340), (2179, 591100), (2300, 560003), (2570, 501170), (4358, 295550), (5140, 250585), (5911, 217900), (6425, 200468), (8716, 147775), (10895, 118220), (11822, 108950), (12850, 100234), (21790, 59110), (23644, 54475), (25700, 50117), (29555, 43580)]