200788310

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 365666400

約数和(自身を除く): 164878090

約数列:

[1, 2, 5, 10, 197, 227, 394, 449, 454, 898, 985, 1135, 1970, 2245, 2270, 4490, 44719, 88453, 89438, 101923, 176906, 203846, 223595, 442265, 447190, 509615, 884530, 1019230, 20078831, 40157662, 100394155, 200788310]

約数ペア:

[(1, 200788310), (2, 100394155), (5, 40157662), (10, 20078831), (197, 1019230), (227, 884530), (394, 509615), (449, 447190), (454, 442265), (898, 223595), (985, 203846), (1135, 176906), (1970, 101923), (2245, 89438), (2270, 88453), (4490, 44719)]