289446140

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{9343}}^1$

素因数の和:10901

約数の個数: 24

約数和(自身を含む): 608294400

約数和(自身を除く): 318848260

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 6196, 7745, 9343, 15490, 18686, 30980, 37372, 46715, 93430, 186860, 14472307, 28944614, 57889228, 72361535, 144723070, 289446140]

約数ペア:

[(1, 289446140), (2, 144723070), (4, 72361535), (5, 57889228), (10, 28944614), (20, 14472307), (1549, 186860), (3098, 93430), (6196, 46715), (7745, 37372), (9343, 30980), (15490, 18686)]