155320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{353}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 382320

約数和(自身を除く): 227000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 353, 440, 706, 1412, 1765, 2824, 3530, 3883, 7060, 7766, 14120, 15532, 19415, 31064, 38830, 77660, 155320]

約数ペア:

[(1, 155320), (2, 77660), (4, 38830), (5, 31064), (8, 19415), (10, 15532), (11, 14120), (20, 7766), (22, 7060), (40, 3883), (44, 3530), (55, 2824), (88, 1765), (110, 1412), (220, 706), (353, 440)]