85503320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{305369}}^1$

素因数の和:305387

約数の個数: 32

約数和(自身を含む): 219866400

約数和(自身を除く): 134363080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 305369, 610738, 1221476, 1526845, 2137583, 2442952, 3053690, 4275166, 6107380, 8550332, 10687915, 12214760, 17100664, 21375830, 42751660, 85503320]

約数ペア:

[(1, 85503320), (2, 42751660), (4, 21375830), (5, 17100664), (7, 12214760), (8, 10687915), (10, 8550332), (14, 6107380), (20, 4275166), (28, 3053690), (35, 2442952), (40, 2137583), (56, 1526845), (70, 1221476), (140, 610738), (280, 305369)]