211775990

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{140249}}^1$

素因数の和:140407

約数の個数: 16

約数和(自身を含む): 383724000

約数和(自身を除く): 171948010

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 140249, 280498, 701245, 1402490, 21177599, 42355198, 105887995, 211775990]

約数ペア:

[(1, 211775990), (2, 105887995), (5, 42355198), (10, 21177599), (151, 1402490), (302, 701245), (755, 280498), (1510, 140249)]