208778930

素因数分解:

$2^1\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{7177}}^1$

素因数の和:10093

約数の個数: 16

約数和(自身を含む): 375983640

約数和(自身を除く): 167204710

約数列:

[1, 2, 5, 10, 2909, 5818, 7177, 14354, 14545, 29090, 35885, 71770, 20877893, 41755786, 104389465, 208778930]

約数ペア:

[(1, 208778930), (2, 104389465), (5, 41755786), (10, 20877893), (2909, 71770), (5818, 35885), (7177, 29090), (14354, 14545)]