874180

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{401}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 1857240

約数和(自身を除く): 983060

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 401, 436, 545, 802, 1090, 1604, 2005, 2180, 4010, 8020, 43709, 87418, 174836, 218545, 437090, 874180]

約数ペア:

[(1, 874180), (2, 437090), (4, 218545), (5, 174836), (10, 87418), (20, 43709), (109, 8020), (218, 4010), (401, 2180), (436, 2005), (545, 1604), (802, 1090)]