30745420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{80909}}^1$

素因数の和:80937

約数の個数: 24

約数和(自身を含む): 67964400

約数和(自身を除く): 37218980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 80909, 161818, 323636, 404545, 809090, 1537271, 1618180, 3074542, 6149084, 7686355, 15372710, 30745420]

約数ペア:

[(1, 30745420), (2, 15372710), (4, 7686355), (5, 6149084), (10, 3074542), (19, 1618180), (20, 1537271), (38, 809090), (76, 404545), (95, 323636), (190, 161818), (380, 80909)]