247602320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{442147}}^1$

素因数の和:442167

約数の個数: 40

約数和(自身を含む): 657916224

約数和(自身を除く): 410313904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 442147, 884294, 1768588, 2210735, 3095029, 3537176, 4421470, 6190058, 7074352, 8842940, 12380116, 15475145, 17685880, 24760232, 30950290, 35371760, 49520464, 61900580, 123801160, 247602320]

約数ペア:

[(1, 247602320), (2, 123801160), (4, 61900580), (5, 49520464), (7, 35371760), (8, 30950290), (10, 24760232), (14, 17685880), (16, 15475145), (20, 12380116), (28, 8842940), (35, 7074352), (40, 6190058), (56, 4421470), (70, 3537176), (80, 3095029), (112, 2210735), (140, 1768588), (280, 884294), (560, 442147)]