76764680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1997}}^1$

素因数の和:2070

約数の個数: 48

約数和(自身を含む): 178561260

約数和(自身を除く): 101796580

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 1997, 3844, 3994, 4805, 7688, 7988, 9610, 9985, 15976, 19220, 19970, 38440, 39940, 61907, 79880, 123814, 247628, 309535, 495256, 619070, 1238140, 1919117, 2476280, 3838234, 7676468, 9595585, 15352936, 19191170, 38382340, 76764680]

約数ペア:

[(1, 76764680), (2, 38382340), (4, 19191170), (5, 15352936), (8, 9595585), (10, 7676468), (20, 3838234), (31, 2476280), (40, 1919117), (62, 1238140), (124, 619070), (155, 495256), (248, 309535), (310, 247628), (620, 123814), (961, 79880), (1240, 61907), (1922, 39940), (1997, 38440), (3844, 19970), (3994, 19220), (4805, 15976), (7688, 9985), (7988, 9610)]