170796680

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{9907}}^1$

素因数の和:10349

約数の個数: 32

約数和(自身を含む): 385223040

約数和(自身を除く): 214426360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4310, 8620, 9907, 17240, 19814, 39628, 49535, 79256, 99070, 198140, 396280, 4269917, 8539834, 17079668, 21349585, 34159336, 42699170, 85398340, 170796680]

約数ペア:

[(1, 170796680), (2, 85398340), (4, 42699170), (5, 34159336), (8, 21349585), (10, 17079668), (20, 8539834), (40, 4269917), (431, 396280), (862, 198140), (1724, 99070), (2155, 79256), (3448, 49535), (4310, 39628), (8620, 19814), (9907, 17240)]