204784510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{7369}}^1$

素因数の和:7780

約数の個数: 32

約数和(自身を含む): 422389440

約数和(自身を除く): 217604930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 794, 1985, 2779, 3970, 5558, 7369, 13895, 14738, 27790, 36845, 51583, 73690, 103166, 257915, 515830, 2925493, 5850986, 14627465, 20478451, 29254930, 40956902, 102392255, 204784510]

約数ペア:

[(1, 204784510), (2, 102392255), (5, 40956902), (7, 29254930), (10, 20478451), (14, 14627465), (35, 5850986), (70, 2925493), (397, 515830), (794, 257915), (1985, 103166), (2779, 73690), (3970, 51583), (5558, 36845), (7369, 27790), (13895, 14738)]