320417890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{14759}}^1$

素因数の和:14946

約数の個数: 32

約数和(自身を含む): 624879360

約数和(自身を除く): 304461470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 334, 835, 1670, 2171, 4342, 10855, 14759, 21710, 29518, 73795, 147590, 191867, 383734, 959335, 1918670, 2464753, 4929506, 12323765, 24647530, 32041789, 64083578, 160208945, 320417890]

約数ペア:

[(1, 320417890), (2, 160208945), (5, 64083578), (10, 32041789), (13, 24647530), (26, 12323765), (65, 4929506), (130, 2464753), (167, 1918670), (334, 959335), (835, 383734), (1670, 191867), (2171, 147590), (4342, 73795), (10855, 29518), (14759, 21710)]