7999450

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1302

約数の個数: 24

約数和(自身を含む): 14999040

約数和(自身を除く): 6999590

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1151, 1390, 2302, 3475, 5755, 6950, 11510, 28775, 57550, 159989, 319978, 799945, 1599890, 3999725, 7999450]

約数ペア:

[(1, 7999450), (2, 3999725), (5, 1599890), (10, 799945), (25, 319978), (50, 159989), (139, 57550), (278, 28775), (695, 11510), (1151, 6950), (1390, 5755), (2302, 3475)]