199920410

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{1511}}^1$

素因数の和:1750

約数の個数: 32

約数和(自身を含む): 366436224

約数和(自身を除く): 166515814

約数列:

[1, 2, 5, 10, 101, 131, 202, 262, 505, 655, 1010, 1310, 1511, 3022, 7555, 13231, 15110, 26462, 66155, 132310, 152611, 197941, 305222, 395882, 763055, 989705, 1526110, 1979410, 19992041, 39984082, 99960205, 199920410]

約数ペア:

[(1, 199920410), (2, 99960205), (5, 39984082), (10, 19992041), (101, 1979410), (131, 1526110), (202, 989705), (262, 763055), (505, 395882), (655, 305222), (1010, 197941), (1310, 152611), (1511, 132310), (3022, 66155), (7555, 26462), (13231, 15110)]