7142320

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{1223}}^1$

素因数の和:1309

約数の個数: 40

約数和(自身を含む): 16847136

約数和(自身を除く): 9704816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1223, 1460, 2446, 2920, 4892, 5840, 6115, 9784, 12230, 19568, 24460, 48920, 89279, 97840, 178558, 357116, 446395, 714232, 892790, 1428464, 1785580, 3571160, 7142320]

約数ペア:

[(1, 7142320), (2, 3571160), (4, 1785580), (5, 1428464), (8, 892790), (10, 714232), (16, 446395), (20, 357116), (40, 178558), (73, 97840), (80, 89279), (146, 48920), (292, 24460), (365, 19568), (584, 12230), (730, 9784), (1168, 6115), (1223, 5840), (1460, 4892), (2446, 2920)]