289063940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:573

約数の個数: 96

約数和(自身を含む): 689230080

約数和(自身を除く): 400166140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 73, 82, 110, 146, 164, 205, 220, 292, 365, 410, 439, 451, 730, 803, 820, 878, 902, 1460, 1606, 1756, 1804, 2195, 2255, 2993, 3212, 4015, 4390, 4510, 4829, 5986, 8030, 8780, 9020, 9658, 11972, 14965, 16060, 17999, 19316, 24145, 29930, 32047, 32923, 35998, 48290, 59860, 64094, 65846, 71996, 89995, 96580, 128188, 131692, 160235, 164615, 179990, 197989, 320470, 329230, 352517, 359980, 395978, 640940, 658460, 705034, 791956, 989945, 1313927, 1410068, 1762585, 1979890, 2627854, 3525170, 3959780, 5255708, 6569635, 7050340, 13139270, 14453197, 26278540, 28906394, 57812788, 72265985, 144531970, 289063940]

約数ペア:

[(1, 289063940), (2, 144531970), (4, 72265985), (5, 57812788), (10, 28906394), (11, 26278540), (20, 14453197), (22, 13139270), (41, 7050340), (44, 6569635), (55, 5255708), (73, 3959780), (82, 3525170), (110, 2627854), (146, 1979890), (164, 1762585), (205, 1410068), (220, 1313927), (292, 989945), (365, 791956), (410, 705034), (439, 658460), (451, 640940), (730, 395978), (803, 359980), (820, 352517), (878, 329230), (902, 320470), (1460, 197989), (1606, 179990), (1756, 164615), (1804, 160235), (2195, 131692), (2255, 128188), (2993, 96580), (3212, 89995), (4015, 71996), (4390, 65846), (4510, 64094), (4829, 59860), (5986, 48290), (8030, 35998), (8780, 32923), (9020, 32047), (9658, 29930), (11972, 24145), (14965, 19316), (16060, 17999)]