109354840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{390553}}^1$

素因数の和:390571

約数の個数: 32

約数和(自身を含む): 281198880

約数和(自身を除く): 171844040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 390553, 781106, 1562212, 1952765, 2733871, 3124424, 3905530, 5467742, 7811060, 10935484, 13669355, 15622120, 21870968, 27338710, 54677420, 109354840]

約数ペア:

[(1, 109354840), (2, 54677420), (4, 27338710), (5, 21870968), (7, 15622120), (8, 13669355), (10, 10935484), (14, 7811060), (20, 5467742), (28, 3905530), (35, 3124424), (40, 2733871), (56, 1952765), (70, 1562212), (140, 781106), (280, 390553)]