27636980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{28201}}^1$

素因数の和:28224

約数の個数: 36

約数和(自身を含む): 67515588

約数和(自身を除く): 39878608

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 28201, 56402, 112804, 141005, 197407, 282010, 394814, 564020, 789628, 987035, 1381849, 1974070, 2763698, 3948140, 5527396, 6909245, 13818490, 27636980]

約数ペア:

[(1, 27636980), (2, 13818490), (4, 6909245), (5, 5527396), (7, 3948140), (10, 2763698), (14, 1974070), (20, 1381849), (28, 987035), (35, 789628), (49, 564020), (70, 394814), (98, 282010), (140, 197407), (196, 141005), (245, 112804), (490, 56402), (980, 28201)]