129637480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6521}}^1$

素因数の和:6610

約数の個数: 64

約数和(自身を含む): 338100480

約数和(自身を除く): 208463000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 6521, 9940, 13042, 19880, 26084, 32605, 45647, 52168, 65210, 91294, 130420, 182588, 228235, 260840, 365176, 456470, 462991, 912940, 925982, 1825880, 1851964, 2314955, 3240937, 3703928, 4629910, 6481874, 9259820, 12963748, 16204685, 18519640, 25927496, 32409370, 64818740, 129637480]

約数ペア:

[(1, 129637480), (2, 64818740), (4, 32409370), (5, 25927496), (7, 18519640), (8, 16204685), (10, 12963748), (14, 9259820), (20, 6481874), (28, 4629910), (35, 3703928), (40, 3240937), (56, 2314955), (70, 1851964), (71, 1825880), (140, 925982), (142, 912940), (280, 462991), (284, 456470), (355, 365176), (497, 260840), (568, 228235), (710, 182588), (994, 130420), (1420, 91294), (1988, 65210), (2485, 52168), (2840, 45647), (3976, 32605), (4970, 26084), (6521, 19880), (9940, 13042)]