78867290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{937}}^1$

素因数の和:1406

約数の個数: 32

約数和(自身を含む): 149929920

約数和(自身を除く): 71062630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 443, 886, 937, 1874, 2215, 4430, 4685, 8417, 9370, 16834, 17803, 35606, 42085, 84170, 89015, 178030, 415091, 830182, 2075455, 4150910, 7886729, 15773458, 39433645, 78867290]

約数ペア:

[(1, 78867290), (2, 39433645), (5, 15773458), (10, 7886729), (19, 4150910), (38, 2075455), (95, 830182), (190, 415091), (443, 178030), (886, 89015), (937, 84170), (1874, 42085), (2215, 35606), (4430, 17803), (4685, 16834), (8417, 9370)]