201790390

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{195913}}^1$

素因数の和:196023

約数の個数: 16

約数和(自身を含む): 366751008

約数和(自身を除く): 164960618

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 195913, 391826, 979565, 1959130, 20179039, 40358078, 100895195, 201790390]

約数ペア:

[(1, 201790390), (2, 100895195), (5, 40358078), (10, 20179039), (103, 1959130), (206, 979565), (515, 391826), (1030, 195913)]