398708858140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{273088259}}^1$

素因数の和:273088341

約数の個数: 24

約数和(自身を含む): 848758312080

約数和(自身を除く): 450049453940

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 273088259, 546176518, 1092353036, 1365441295, 2730882590, 5461765180, 19935442907, 39870885814, 79741771628, 99677214535, 199354429070, 398708858140]

約数ペア:

[(1, 398708858140), (2, 199354429070), (4, 99677214535), (5, 79741771628), (10, 39870885814), (20, 19935442907), (73, 5461765180), (146, 2730882590), (292, 1365441295), (365, 1092353036), (730, 546176518), (1460, 273088259)]