30718660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{12907}}^1$

素因数の和:12940

約数の個数: 48

約数和(自身を含む): 78067584

約数和(自身を除く): 47348924

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 12907, 25814, 51628, 64535, 90349, 129070, 180698, 219419, 258140, 361396, 438838, 451745, 877676, 903490, 1097095, 1535933, 1806980, 2194190, 3071866, 4388380, 6143732, 7679665, 15359330, 30718660]

約数ペア:

[(1, 30718660), (2, 15359330), (4, 7679665), (5, 6143732), (7, 4388380), (10, 3071866), (14, 2194190), (17, 1806980), (20, 1535933), (28, 1097095), (34, 903490), (35, 877676), (68, 451745), (70, 438838), (85, 361396), (119, 258140), (140, 219419), (170, 180698), (238, 129070), (340, 90349), (476, 64535), (595, 51628), (1190, 25814), (2380, 12907)]