830804540

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{381103}}^1$

素因数の和:381221

約数の個数: 24

約数和(自身を含む): 1760700480

約数和(自身を除く): 929895940

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 381103, 762206, 1524412, 1905515, 3811030, 7622060, 41540227, 83080454, 166160908, 207701135, 415402270, 830804540]

約数ペア:

[(1, 830804540), (2, 415402270), (4, 207701135), (5, 166160908), (10, 83080454), (20, 41540227), (109, 7622060), (218, 3811030), (436, 1905515), (545, 1524412), (1090, 762206), (2180, 381103)]