420341756

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{20731}}^1$

素因数の和:20909

約数の個数: 24

約数和(自身を含む): 761030256

約数和(自身を除く): 340688500

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 5069, 10138, 20276, 20731, 41462, 82924, 767047, 1534094, 2840147, 3068188, 5680294, 11360588, 105085439, 210170878, 420341756]

約数ペア:

[(1, 420341756), (2, 210170878), (4, 105085439), (37, 11360588), (74, 5680294), (137, 3068188), (148, 2840147), (274, 1534094), (548, 767047), (5069, 82924), (10138, 41462), (20276, 20731)]