67398700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{1867}}^1$

素因数の和:1919

約数の個数: 54

約数和(自身を含む): 154440636

約数和(自身を除く): 87041936

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 722, 950, 1444, 1805, 1867, 1900, 3610, 3734, 7220, 7468, 9025, 9335, 18050, 18670, 35473, 36100, 37340, 46675, 70946, 93350, 141892, 177365, 186700, 354730, 673987, 709460, 886825, 1347974, 1773650, 2695948, 3369935, 3547300, 6739870, 13479740, 16849675, 33699350, 67398700]

約数ペア:

[(1, 67398700), (2, 33699350), (4, 16849675), (5, 13479740), (10, 6739870), (19, 3547300), (20, 3369935), (25, 2695948), (38, 1773650), (50, 1347974), (76, 886825), (95, 709460), (100, 673987), (190, 354730), (361, 186700), (380, 177365), (475, 141892), (722, 93350), (950, 70946), (1444, 46675), (1805, 37340), (1867, 36100), (1900, 35473), (3610, 18670), (3734, 18050), (7220, 9335), (7468, 9025)]