381766540

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{12323}}^1$

素因数の和:13881

約数の個数: 24

約数和(自身を含む): 802292400

約数和(自身を除く): 420525860

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 7745, 12323, 15490, 24646, 30980, 49292, 61615, 123230, 246460, 19088327, 38176654, 76353308, 95441635, 190883270, 381766540]

約数ペア:

[(1, 381766540), (2, 190883270), (4, 95441635), (5, 76353308), (10, 38176654), (20, 19088327), (1549, 246460), (3098, 123230), (6196, 61615), (7745, 49292), (12323, 30980), (15490, 24646)]