68395180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:815

約数の個数: 72

約数和(自身を含む): 168978096

約数和(自身を除く): 100582916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 101, 140, 196, 202, 245, 404, 490, 505, 691, 707, 980, 1010, 1382, 1414, 2020, 2764, 2828, 3455, 3535, 4837, 4949, 6910, 7070, 9674, 9898, 13820, 14140, 19348, 19796, 24185, 24745, 33859, 48370, 49490, 67718, 69791, 96740, 98980, 135436, 139582, 169295, 279164, 338590, 348955, 488537, 677180, 697910, 977074, 1395820, 1954148, 2442685, 3419759, 4885370, 6839518, 9770740, 13679036, 17098795, 34197590, 68395180]

約数ペア:

[(1, 68395180), (2, 34197590), (4, 17098795), (5, 13679036), (7, 9770740), (10, 6839518), (14, 4885370), (20, 3419759), (28, 2442685), (35, 1954148), (49, 1395820), (70, 977074), (98, 697910), (101, 677180), (140, 488537), (196, 348955), (202, 338590), (245, 279164), (404, 169295), (490, 139582), (505, 135436), (691, 98980), (707, 96740), (980, 69791), (1010, 67718), (1382, 49490), (1414, 48370), (2020, 33859), (2764, 24745), (2828, 24185), (3455, 19796), (3535, 19348), (4837, 14140), (4949, 13820), (6910, 9898), (7070, 9674)]