15197980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{108557}}^1$

素因数の和:108573

約数の個数: 24

約数和(自身を含む): 36475488

約数和(自身を除く): 21277508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 108557, 217114, 434228, 542785, 759899, 1085570, 1519798, 2171140, 3039596, 3799495, 7598990, 15197980]

約数ペア:

[(1, 15197980), (2, 7598990), (4, 3799495), (5, 3039596), (7, 2171140), (10, 1519798), (14, 1085570), (20, 759899), (28, 542785), (35, 434228), (70, 217114), (140, 108557)]