2107100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1109}}^1$

素因数の和:1142

約数の個数: 36

約数和(自身を含む): 4817400

約数和(自身を除く): 2710300

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1109, 1900, 2218, 4436, 5545, 11090, 21071, 22180, 27725, 42142, 55450, 84284, 105355, 110900, 210710, 421420, 526775, 1053550, 2107100]

約数ペア:

[(1, 2107100), (2, 1053550), (4, 526775), (5, 421420), (10, 210710), (19, 110900), (20, 105355), (25, 84284), (38, 55450), (50, 42142), (76, 27725), (95, 22180), (100, 21071), (190, 11090), (380, 5545), (475, 4436), (950, 2218), (1109, 1900)]