220120700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{115853}}^1$

素因数の和:115886

約数の個数: 36

約数和(自身を含む): 502806360

約数和(自身を除く): 282685660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 115853, 231706, 463412, 579265, 1158530, 2201207, 2317060, 2896325, 4402414, 5792650, 8804828, 11006035, 11585300, 22012070, 44024140, 55030175, 110060350, 220120700]

約数ペア:

[(1, 220120700), (2, 110060350), (4, 55030175), (5, 44024140), (10, 22012070), (19, 11585300), (20, 11006035), (25, 8804828), (38, 5792650), (50, 4402414), (76, 2896325), (95, 2317060), (100, 2201207), (190, 1158530), (380, 579265), (475, 463412), (950, 231706), (1900, 115853)]