2021844280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^2\times {\mathrm{271}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 4756317120

約数和(自身を除く): 2734472840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 71, 74, 142, 148, 185, 271, 284, 296, 355, 370, 542, 568, 710, 740, 1084, 1355, 1420, 1480, 2168, 2627, 2710, 2840, 5041, 5254, 5420, 10027, 10082, 10508, 10840, 13135, 19241, 20054, 20164, 21016, 25205, 26270, 38482, 40108, 40328, 50135, 50410, 52540, 76964, 80216, 96205, 100270, 100820, 105080, 153928, 186517, 192410, 200540, 201640, 373034, 384820, 401080, 711917, 746068, 769640, 932585, 1366111, 1423834, 1492136, 1865170, 2732222, 2847668, 3559585, 3730340, 5464444, 5695336, 6830555, 7119170, 7460680, 10928888, 13661110, 14238340, 27322220, 28476680, 50546107, 54644440, 101092214, 202184428, 252730535, 404368856, 505461070, 1010922140, 2021844280]

約数ペア:

[(1, 2021844280), (2, 1010922140), (4, 505461070), (5, 404368856), (8, 252730535), (10, 202184428), (20, 101092214), (37, 54644440), (40, 50546107), (71, 28476680), (74, 27322220), (142, 14238340), (148, 13661110), (185, 10928888), (271, 7460680), (284, 7119170), (296, 6830555), (355, 5695336), (370, 5464444), (542, 3730340), (568, 3559585), (710, 2847668), (740, 2732222), (1084, 1865170), (1355, 1492136), (1420, 1423834), (1480, 1366111), (2168, 932585), (2627, 769640), (2710, 746068), (2840, 711917), (5041, 401080), (5254, 384820), (5420, 373034), (10027, 201640), (10082, 200540), (10508, 192410), (10840, 186517), (13135, 153928), (19241, 105080), (20054, 100820), (20164, 100270), (21016, 96205), (25205, 80216), (26270, 76964), (38482, 52540), (40108, 50410), (40328, 50135)]