1491025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 2018720

約数和(自身を除く): 527695

約数列:

[1, 5, 19, 25, 43, 73, 95, 215, 365, 475, 817, 1075, 1387, 1825, 3139, 4085, 6935, 15695, 20425, 34675, 59641, 78475, 298205, 1491025]

約数ペア:

[(1, 1491025), (5, 298205), (19, 78475), (25, 59641), (43, 34675), (73, 20425), (95, 15695), (215, 6935), (365, 4085), (475, 3139), (817, 1825), (1075, 1387)]