249520040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81013}}^1$

素因数の和:81042

約数の個数: 64

約数和(自身を含む): 699960960

約数和(自身を除く): 450440920

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 81013, 162026, 324052, 405065, 567091, 648104, 810130, 891143, 1134182, 1620260, 1782286, 2268364, 2835455, 3240520, 3564572, 4455715, 4536728, 5670910, 6238001, 7129144, 8911430, 11341820, 12476002, 17822860, 22683640, 24952004, 31190005, 35645720, 49904008, 62380010, 124760020, 249520040]

約数ペア:

[(1, 249520040), (2, 124760020), (4, 62380010), (5, 49904008), (7, 35645720), (8, 31190005), (10, 24952004), (11, 22683640), (14, 17822860), (20, 12476002), (22, 11341820), (28, 8911430), (35, 7129144), (40, 6238001), (44, 5670910), (55, 4536728), (56, 4455715), (70, 3564572), (77, 3240520), (88, 2835455), (110, 2268364), (140, 1782286), (154, 1620260), (220, 1134182), (280, 891143), (308, 810130), (385, 648104), (440, 567091), (616, 405065), (770, 324052), (1540, 162026), (3080, 81013)]