2209729.00000000

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 36

約数和(自身を含む): 93580320

約数和(自身を除く): 24652595

約数列:

[1, 5, 19, 25, 31, 95, 151, 155, 475, 589, 755, 775, 961, 2869, 2945, 3775, 4681, 4805, 14345, 14725, 18259, 23405, 24025, 71725, 88939, 91295, 117025, 145111, 444695, 456475, 725555, 2223475, 2757109, 3627775, 13785545, 68927725]

約数ペア:

[(1, 68927725), (5, 13785545), (19, 3627775), (25, 2757109), (31, 2223475), (95, 725555), (151, 456475), (155, 444695), (475, 145111), (589, 117025), (755, 91295), (775, 88939), (961, 71725), (2869, 24025), (2945, 23405), (3775, 18259), (4681, 14725), (4805, 14345)]