1900960

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^2$

素因数の和:233

約数の個数: 36

約数和(自身を含む): 4532598

約数和(自身を除く): 2631638

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1744, 2180, 3488, 4360, 8720, 11881, 17440, 23762, 47524, 59405, 95048, 118810, 190096, 237620, 380192, 475240, 950480, 1900960]

約数ペア:

[(1, 1900960), (2, 950480), (4, 475240), (5, 380192), (8, 237620), (10, 190096), (16, 118810), (20, 95048), (32, 59405), (40, 47524), (80, 23762), (109, 17440), (160, 11881), (218, 8720), (436, 4360), (545, 3488), (872, 2180), (1090, 1744)]