320445716

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1259}}^1$

素因数の和:1496

約数の個数: 48

約数和(自身を含む): 628689600

約数和(自身を除く): 308243884

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 197, 323, 394, 646, 788, 1259, 1292, 2518, 3349, 3743, 5036, 6698, 7486, 13396, 14972, 21403, 23921, 42806, 47842, 63631, 85612, 95684, 127262, 248023, 254524, 406657, 496046, 813314, 992092, 1626628, 4216391, 4712437, 8432782, 9424874, 16865564, 18849748, 80111429, 160222858, 320445716]

約数ペア:

[(1, 320445716), (2, 160222858), (4, 80111429), (17, 18849748), (19, 16865564), (34, 9424874), (38, 8432782), (68, 4712437), (76, 4216391), (197, 1626628), (323, 992092), (394, 813314), (646, 496046), (788, 406657), (1259, 254524), (1292, 248023), (2518, 127262), (3349, 95684), (3743, 85612), (5036, 63631), (6698, 47842), (7486, 42806), (13396, 23921), (14972, 21403)]