1740280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 3956400

約数和(自身を除く): 2216120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 313, 556, 626, 695, 1112, 1252, 1390, 1565, 2504, 2780, 3130, 5560, 6260, 12520, 43507, 87014, 174028, 217535, 348056, 435070, 870140, 1740280]

約数ペア:

[(1, 1740280), (2, 870140), (4, 435070), (5, 348056), (8, 217535), (10, 174028), (20, 87014), (40, 43507), (139, 12520), (278, 6260), (313, 5560), (556, 3130), (626, 2780), (695, 2504), (1112, 1565), (1252, 1390)]