402040304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1322501}}^1$

素因数の和:1322528

約数の個数: 20

約数和(自身を含む): 819951240

約数和(自身を除く): 417910936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1322501, 2645002, 5290004, 10580008, 21160016, 25127519, 50255038, 100510076, 201020152, 402040304]

約数ペア:

[(1, 402040304), (2, 201020152), (4, 100510076), (8, 50255038), (16, 25127519), (19, 21160016), (38, 10580008), (76, 5290004), (152, 2645002), (304, 1322501)]