201181900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{19919}}^1$

素因数の和:20034

約数の個数: 36

約数和(自身を含む): 440909280

約数和(自身を除く): 239727380

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2525, 5050, 10100, 19919, 39838, 79676, 99595, 199190, 398380, 497975, 995950, 1991900, 2011819, 4023638, 8047276, 10059095, 20118190, 40236380, 50295475, 100590950, 201181900]

約数ペア:

[(1, 201181900), (2, 100590950), (4, 50295475), (5, 40236380), (10, 20118190), (20, 10059095), (25, 8047276), (50, 4023638), (100, 2011819), (101, 1991900), (202, 995950), (404, 497975), (505, 398380), (1010, 199190), (2020, 99595), (2525, 79676), (5050, 39838), (10100, 19919)]