440120828

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{70487}}^1$

素因数の和:70721

約数の個数: 24

約数和(自身を含む): 884201472

約数和(自身を除く): 444080644

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 70487, 140974, 281948, 493409, 986818, 1973636, 15718601, 31437202, 62874404, 110030207, 220060414, 440120828]

約数ペア:

[(1, 440120828), (2, 220060414), (4, 110030207), (7, 62874404), (14, 31437202), (28, 15718601), (223, 1973636), (446, 986818), (892, 493409), (1561, 281948), (3122, 140974), (6244, 70487)]