31268860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31907}}^1$

素因数の和:31930

約数の個数: 36

約数和(自身を含む): 76387752

約数和(自身を除く): 45118892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 31907, 63814, 127628, 159535, 223349, 319070, 446698, 638140, 893396, 1116745, 1563443, 2233490, 3126886, 4466980, 6253772, 7817215, 15634430, 31268860]

約数ペア:

[(1, 31268860), (2, 15634430), (4, 7817215), (5, 6253772), (7, 4466980), (10, 3126886), (14, 2233490), (20, 1563443), (28, 1116745), (35, 893396), (49, 638140), (70, 446698), (98, 319070), (140, 223349), (196, 159535), (245, 127628), (490, 63814), (980, 31907)]