172476280

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{70687}}^1$

素因数の和:70759

約数の個数: 32

約数和(自身を含む): 394439040

約数和(自身を除く): 221962760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 70687, 141374, 282748, 353435, 565496, 706870, 1413740, 2827480, 4311907, 8623814, 17247628, 21559535, 34495256, 43119070, 86238140, 172476280]

約数ペア:

[(1, 172476280), (2, 86238140), (4, 43119070), (5, 34495256), (8, 21559535), (10, 17247628), (20, 8623814), (40, 4311907), (61, 2827480), (122, 1413740), (244, 706870), (305, 565496), (488, 353435), (610, 282748), (1220, 141374), (2440, 70687)]