149903825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{787}}^1$

素因数の和:1217

約数の個数: 24

約数和(自身を含む): 196401120

約数和(自身を除く): 46497295

約数列:

[1, 5, 19, 25, 95, 401, 475, 787, 2005, 3935, 7619, 10025, 14953, 19675, 38095, 74765, 190475, 315587, 373825, 1577935, 5996153, 7889675, 29980765, 149903825]

約数ペア:

[(1, 149903825), (5, 29980765), (19, 7889675), (25, 5996153), (95, 1577935), (401, 373825), (475, 315587), (787, 190475), (2005, 74765), (3935, 38095), (7619, 19675), (10025, 14953)]