208030990

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{11251}}^1$

素因数の和:11344

約数の個数: 24

約数和(自身を含む): 383400648

約数和(自身を除く): 175369658

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1849, 3698, 9245, 11251, 18490, 22502, 56255, 112510, 483793, 967586, 2418965, 4837930, 20803099, 41606198, 104015495, 208030990]

約数ペア:

[(1, 208030990), (2, 104015495), (5, 41606198), (10, 20803099), (43, 4837930), (86, 2418965), (215, 967586), (430, 483793), (1849, 112510), (3698, 56255), (9245, 22502), (11251, 18490)]