74864860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{809}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 180169920

約数和(自身を除く): 105305060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 661, 809, 1322, 1618, 2644, 3236, 3305, 4045, 4627, 5663, 6610, 8090, 9254, 11326, 13220, 16180, 18508, 22652, 23135, 28315, 46270, 56630, 92540, 113260, 534749, 1069498, 2138996, 2673745, 3743243, 5347490, 7486486, 10694980, 14972972, 18716215, 37432430, 74864860]

約数ペア:

[(1, 74864860), (2, 37432430), (4, 18716215), (5, 14972972), (7, 10694980), (10, 7486486), (14, 5347490), (20, 3743243), (28, 2673745), (35, 2138996), (70, 1069498), (140, 534749), (661, 113260), (809, 92540), (1322, 56630), (1618, 46270), (2644, 28315), (3236, 23135), (3305, 22652), (4045, 18508), (4627, 16180), (5663, 13220), (6610, 11326), (8090, 9254)]