417163960

素因数分解:

$2^3\times 5^1\times {\mathrm{1949}}^1\times {\mathrm{5351}}^1$

素因数の和:7311

約数の個数: 32

約数和(自身を含む): 939276000

約数和(自身を除く): 522112040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1949, 3898, 5351, 7796, 9745, 10702, 15592, 19490, 21404, 26755, 38980, 42808, 53510, 77960, 107020, 214040, 10429099, 20858198, 41716396, 52145495, 83432792, 104290990, 208581980, 417163960]

約数ペア:

[(1, 417163960), (2, 208581980), (4, 104290990), (5, 83432792), (8, 52145495), (10, 41716396), (20, 20858198), (40, 10429099), (1949, 214040), (3898, 107020), (5351, 77960), (7796, 53510), (9745, 42808), (10702, 38980), (15592, 26755), (19490, 21404)]