219950075

素因数分解:

$5^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 277214400

約数和(自身を除く): 57264325

約数列:

[1, 5, 25, 137, 149, 431, 685, 745, 2155, 3425, 3725, 10775, 20413, 59047, 64219, 102065, 295235, 321095, 510325, 1476175, 1605475, 8798003, 43990015, 219950075]

約数ペア:

[(1, 219950075), (5, 43990015), (25, 8798003), (137, 1605475), (149, 1476175), (431, 510325), (685, 321095), (745, 295235), (2155, 102065), (3425, 64219), (3725, 59047), (10775, 20413)]