154440140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{249097}}^1$

素因数の和:249137

約数の個数: 24

約数和(自身を含む): 334787712

約数和(自身を除く): 180347572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 249097, 498194, 996388, 1245485, 2490970, 4981940, 7722007, 15444014, 30888028, 38610035, 77220070, 154440140]

約数ペア:

[(1, 154440140), (2, 77220070), (4, 38610035), (5, 30888028), (10, 15444014), (20, 7722007), (31, 4981940), (62, 2490970), (124, 1245485), (155, 996388), (310, 498194), (620, 249097)]