68805940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{359}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 170190720

約数和(自身を除く): 101384780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 359, 370, 518, 718, 740, 1036, 1295, 1369, 1436, 1795, 2513, 2590, 2738, 3590, 5026, 5180, 5476, 6845, 7180, 9583, 10052, 12565, 13283, 13690, 19166, 25130, 26566, 27380, 38332, 47915, 50260, 53132, 66415, 92981, 95830, 132830, 185962, 191660, 265660, 371924, 464905, 491471, 929810, 982942, 1859620, 1965884, 2457355, 3440297, 4914710, 6880594, 9829420, 13761188, 17201485, 34402970, 68805940]

約数ペア:

[(1, 68805940), (2, 34402970), (4, 17201485), (5, 13761188), (7, 9829420), (10, 6880594), (14, 4914710), (20, 3440297), (28, 2457355), (35, 1965884), (37, 1859620), (70, 982942), (74, 929810), (140, 491471), (148, 464905), (185, 371924), (259, 265660), (359, 191660), (370, 185962), (518, 132830), (718, 95830), (740, 92981), (1036, 66415), (1295, 53132), (1369, 50260), (1436, 47915), (1795, 38332), (2513, 27380), (2590, 26566), (2738, 25130), (3590, 19166), (5026, 13690), (5180, 13283), (5476, 12565), (6845, 10052), (7180, 9583)]