149865940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1070471}}^1$

素因数の和:1070487

約数の個数: 24

約数和(自身を含む): 359678592

約数和(自身を除く): 209812652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1070471, 2140942, 4281884, 5352355, 7493297, 10704710, 14986594, 21409420, 29973188, 37466485, 74932970, 149865940]

約数ペア:

[(1, 149865940), (2, 74932970), (4, 37466485), (5, 29973188), (7, 21409420), (10, 14986594), (14, 10704710), (20, 7493297), (28, 5352355), (35, 4281884), (70, 2140942), (140, 1070471)]