1242140

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{359}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 2630880

約数和(自身を除く): 1388740

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 359, 692, 718, 865, 1436, 1730, 1795, 3460, 3590, 7180, 62107, 124214, 248428, 310535, 621070, 1242140]

約数ペア:

[(1, 1242140), (2, 621070), (4, 310535), (5, 248428), (10, 124214), (20, 62107), (173, 7180), (346, 3590), (359, 3460), (692, 1795), (718, 1730), (865, 1436)]