1298950

素因数分解:

$2^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:408

約数の個数: 24

約数和(自身を含む): 2452968

約数和(自身を除く): 1154018

約数列:

[1, 2, 5, 10, 25, 50, 83, 166, 313, 415, 626, 830, 1565, 2075, 3130, 4150, 7825, 15650, 25979, 51958, 129895, 259790, 649475, 1298950]

約数ペア:

[(1, 1298950), (2, 649475), (5, 259790), (10, 129895), (25, 51958), (50, 25979), (83, 15650), (166, 7825), (313, 4150), (415, 3130), (626, 2075), (830, 1565)]