201442900

素因数分解:

$2^2\times 5^2\times {\mathrm{109}}^1\times {\mathrm{18481}}^1$

素因数の和:18604

約数の個数: 36

約数和(自身を含む): 441165340

約数和(自身を除く): 239722440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 218, 436, 545, 1090, 2180, 2725, 5450, 10900, 18481, 36962, 73924, 92405, 184810, 369620, 462025, 924050, 1848100, 2014429, 4028858, 8057716, 10072145, 20144290, 40288580, 50360725, 100721450, 201442900]

約数ペア:

[(1, 201442900), (2, 100721450), (4, 50360725), (5, 40288580), (10, 20144290), (20, 10072145), (25, 8057716), (50, 4028858), (100, 2014429), (109, 1848100), (218, 924050), (436, 462025), (545, 369620), (1090, 184810), (2180, 92405), (2725, 73924), (5450, 36962), (10900, 18481)]