222650

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 24

約数和(自身を含む): 426684

約数和(自身を除く): 204034

約数列:

[1, 2, 5, 10, 25, 50, 61, 73, 122, 146, 305, 365, 610, 730, 1525, 1825, 3050, 3650, 4453, 8906, 22265, 44530, 111325, 222650]

約数ペア:

[(1, 222650), (2, 111325), (5, 44530), (10, 22265), (25, 8906), (50, 4453), (61, 3650), (73, 3050), (122, 1825), (146, 1525), (305, 730), (365, 610)]