84556780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{54907}}^1$

素因数の和:54934

約数の個数: 48

約数和(自身を含む): 221389056

約数和(自身を除く): 136832276

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 54907, 109814, 219628, 274535, 384349, 549070, 603977, 768698, 1098140, 1207954, 1537396, 1921745, 2415908, 3019885, 3843490, 4227839, 6039770, 7686980, 8455678, 12079540, 16911356, 21139195, 42278390, 84556780]

約数ペア:

[(1, 84556780), (2, 42278390), (4, 21139195), (5, 16911356), (7, 12079540), (10, 8455678), (11, 7686980), (14, 6039770), (20, 4227839), (22, 3843490), (28, 3019885), (35, 2415908), (44, 1921745), (55, 1537396), (70, 1207954), (77, 1098140), (110, 768698), (140, 603977), (154, 549070), (220, 384349), (308, 274535), (385, 219628), (770, 109814), (1540, 54907)]