11881000

素因数分解:

$2^3\times 5^3\times {\mathrm{109}}^2$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 28058940

約数和(自身を除く): 16177940

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 109, 125, 200, 218, 250, 436, 500, 545, 872, 1000, 1090, 2180, 2725, 4360, 5450, 10900, 11881, 13625, 21800, 23762, 27250, 47524, 54500, 59405, 95048, 109000, 118810, 237620, 297025, 475240, 594050, 1188100, 1485125, 2376200, 2970250, 5940500, 11881000]

約数ペア:

[(1, 11881000), (2, 5940500), (4, 2970250), (5, 2376200), (8, 1485125), (10, 1188100), (20, 594050), (25, 475240), (40, 297025), (50, 237620), (100, 118810), (109, 109000), (125, 95048), (200, 59405), (218, 54500), (250, 47524), (436, 27250), (500, 23762), (545, 21800), (872, 13625), (1000, 11881), (1090, 10900), (2180, 5450), (2725, 4360)]