12699820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12959}}^1$

素因数の和:12982

約数の個数: 36

約数和(自身を含む): 31026240

約数和(自身を除く): 18326420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12959, 25918, 51836, 64795, 90713, 129590, 181426, 259180, 362852, 453565, 634991, 907130, 1269982, 1814260, 2539964, 3174955, 6349910, 12699820]

約数ペア:

[(1, 12699820), (2, 6349910), (4, 3174955), (5, 2539964), (7, 1814260), (10, 1269982), (14, 907130), (20, 634991), (28, 453565), (35, 362852), (49, 259180), (70, 181426), (98, 129590), (140, 90713), (196, 64795), (245, 51836), (490, 25918), (980, 12959)]