740620780

素因数分解:

$2^2\times 5^1\times {\mathrm{37031039}}^1$

素因数の和:37031048

約数の個数: 12

約数和(自身を含む): 1555303680

約数和(自身を除く): 814682900

約数列:

[1, 2, 4, 5, 10, 20, 37031039, 74062078, 148124156, 185155195, 370310390, 740620780]

約数ペア:

[(1, 740620780), (2, 370310390), (4, 185155195), (5, 148124156), (10, 74062078), (20, 37031039)]