148949540

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{43049}}^1$

素因数の和:43231

約数の個数: 24

約数和(自身を含む): 314609400

約数和(自身を除く): 165659860

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 43049, 86098, 172196, 215245, 430490, 860980, 7447477, 14894954, 29789908, 37237385, 74474770, 148949540]

約数ペア:

[(1, 148949540), (2, 74474770), (4, 37237385), (5, 29789908), (10, 14894954), (20, 7447477), (173, 860980), (346, 430490), (692, 215245), (865, 172196), (1730, 86098), (3460, 43049)]