230838140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887839}}^1$

素因数の和:887861

約数の個数: 24

約数和(自身を含む): 522049920

約数和(自身を除く): 291211780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 887839, 1775678, 3551356, 4439195, 8878390, 11541907, 17756780, 23083814, 46167628, 57709535, 115419070, 230838140]

約数ペア:

[(1, 230838140), (2, 115419070), (4, 57709535), (5, 46167628), (10, 23083814), (13, 17756780), (20, 11541907), (26, 8878390), (52, 4439195), (65, 3551356), (130, 1775678), (260, 887839)]