678248840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{10099}}^1$

素因数の和:10206

約数の個数: 64

約数和(自身を含む): 1614384000

約数和(自身を除く): 936135160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 460, 584, 730, 920, 1460, 1679, 2920, 3358, 6716, 8395, 10099, 13432, 16790, 20198, 33580, 40396, 50495, 67160, 80792, 100990, 201980, 232277, 403960, 464554, 737227, 929108, 1161385, 1474454, 1858216, 2322770, 2948908, 3686135, 4645540, 5897816, 7372270, 9291080, 14744540, 16956221, 29489080, 33912442, 67824884, 84781105, 135649768, 169562210, 339124420, 678248840]

約数ペア:

[(1, 678248840), (2, 339124420), (4, 169562210), (5, 135649768), (8, 84781105), (10, 67824884), (20, 33912442), (23, 29489080), (40, 16956221), (46, 14744540), (73, 9291080), (92, 7372270), (115, 5897816), (146, 4645540), (184, 3686135), (230, 2948908), (292, 2322770), (365, 1858216), (460, 1474454), (584, 1161385), (730, 929108), (920, 737227), (1460, 464554), (1679, 403960), (2920, 232277), (3358, 201980), (6716, 100990), (8395, 80792), (10099, 67160), (13432, 50495), (16790, 40396), (20198, 33580)]