906280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 2066400

約数和(自身を除く): 1160120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 163, 278, 326, 556, 652, 695, 815, 1112, 1304, 1390, 1630, 2780, 3260, 5560, 6520, 22657, 45314, 90628, 113285, 181256, 226570, 453140, 906280]

約数ペア:

[(1, 906280), (2, 453140), (4, 226570), (5, 181256), (8, 113285), (10, 90628), (20, 45314), (40, 22657), (139, 6520), (163, 5560), (278, 3260), (326, 2780), (556, 1630), (652, 1390), (695, 1304), (815, 1112)]