227778890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{4441}}^1$

素因数の和:4694

約数の個数: 32

約数和(自身を含む): 429843456

約数和(自身を除く): 202064566

約数列:

[1, 2, 5, 10, 23, 46, 115, 223, 230, 446, 1115, 2230, 4441, 5129, 8882, 10258, 22205, 25645, 44410, 51290, 102143, 204286, 510715, 990343, 1021430, 1980686, 4951715, 9903430, 22777889, 45555778, 113889445, 227778890]

約数ペア:

[(1, 227778890), (2, 113889445), (5, 45555778), (10, 22777889), (23, 9903430), (46, 4951715), (115, 1980686), (223, 1021430), (230, 990343), (446, 510715), (1115, 204286), (2230, 102143), (4441, 51290), (5129, 44410), (8882, 25645), (10258, 22205)]