219035780

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{12347}}^1$

素因数の和:13243

約数の個数: 24

約数和(自身を含む): 460531008

約数和(自身を除く): 241495228

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 12347, 17740, 24694, 49388, 61735, 123470, 246940, 10951789, 21903578, 43807156, 54758945, 109517890, 219035780]

約数ペア:

[(1, 219035780), (2, 109517890), (4, 54758945), (5, 43807156), (10, 21903578), (20, 10951789), (887, 246940), (1774, 123470), (3548, 61735), (4435, 49388), (8870, 24694), (12347, 17740)]