1001900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 2234232

約数和(自身を除く): 1232332

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 233, 430, 466, 860, 932, 1075, 1165, 2150, 2330, 4300, 4660, 5825, 10019, 11650, 20038, 23300, 40076, 50095, 100190, 200380, 250475, 500950, 1001900]

約数ペア:

[(1, 1001900), (2, 500950), (4, 250475), (5, 200380), (10, 100190), (20, 50095), (25, 40076), (43, 23300), (50, 20038), (86, 11650), (100, 10019), (172, 5825), (215, 4660), (233, 4300), (430, 2330), (466, 2150), (860, 1165), (932, 1075)]