64429900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 147803040

約数和(自身を除く): 83373140

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 109, 115, 218, 230, 257, 436, 460, 514, 545, 575, 1028, 1090, 1150, 1285, 2180, 2300, 2507, 2570, 2725, 5014, 5140, 5450, 5911, 6425, 10028, 10900, 11822, 12535, 12850, 23644, 25070, 25700, 28013, 29555, 50140, 56026, 59110, 62675, 112052, 118220, 125350, 140065, 147775, 250700, 280130, 295550, 560260, 591100, 644299, 700325, 1288598, 1400650, 2577196, 2801300, 3221495, 6442990, 12885980, 16107475, 32214950, 64429900]

約数ペア:

[(1, 64429900), (2, 32214950), (4, 16107475), (5, 12885980), (10, 6442990), (20, 3221495), (23, 2801300), (25, 2577196), (46, 1400650), (50, 1288598), (92, 700325), (100, 644299), (109, 591100), (115, 560260), (218, 295550), (230, 280130), (257, 250700), (436, 147775), (460, 140065), (514, 125350), (545, 118220), (575, 112052), (1028, 62675), (1090, 59110), (1150, 56026), (1285, 50140), (2180, 29555), (2300, 28013), (2507, 25700), (2570, 25070), (2725, 23644), (5014, 12850), (5140, 12535), (5450, 11822), (5911, 10900), (6425, 10028)]