201720305

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{359}}^1\times {\mathrm{1031}}^1$

素因数の和:1504

約数の個数: 16

約数和(自身を含む): 245203200

約数和(自身を除く): 43482895

約数列:

[1, 5, 109, 359, 545, 1031, 1795, 5155, 39131, 112379, 195655, 370129, 561895, 1850645, 40344061, 201720305]

約数ペア:

[(1, 201720305), (5, 40344061), (109, 1850645), (359, 561895), (545, 370129), (1031, 195655), (1795, 112379), (5155, 39131)]