9761080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 25505280

約数和(自身を除く): 15744200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 491, 497, 568, 710, 982, 994, 1420, 1964, 1988, 2455, 2485, 2840, 3437, 3928, 3976, 4910, 4970, 6874, 9820, 9940, 13748, 17185, 19640, 19880, 27496, 34370, 34861, 68740, 69722, 137480, 139444, 174305, 244027, 278888, 348610, 488054, 697220, 976108, 1220135, 1394440, 1952216, 2440270, 4880540, 9761080]

約数ペア:

[(1, 9761080), (2, 4880540), (4, 2440270), (5, 1952216), (7, 1394440), (8, 1220135), (10, 976108), (14, 697220), (20, 488054), (28, 348610), (35, 278888), (40, 244027), (56, 174305), (70, 139444), (71, 137480), (140, 69722), (142, 68740), (280, 34861), (284, 34370), (355, 27496), (491, 19880), (497, 19640), (568, 17185), (710, 13748), (982, 9940), (994, 9820), (1420, 6874), (1964, 4970), (1988, 4910), (2455, 3976), (2485, 3928), (2840, 3437)]