87898580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{57077}}^1$

素因数の和:57104

約数の個数: 48

約数和(自身を含む): 230138496

約数和(自身を除く): 142239916

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, 57077, 114154, 228308, 285385, 399539, 570770, 627847, 799078, 1141540, 1255694, 1598156, 1997695, 2511388, 3139235, 3995390, 4394929, 6278470, 7990780, 8789858, 12556940, 17579716, 21974645, 43949290, 87898580]

約数ペア:

[(1, 87898580), (2, 43949290), (4, 21974645), (5, 17579716), (7, 12556940), (10, 8789858), (11, 7990780), (14, 6278470), (20, 4394929), (22, 3995390), (28, 3139235), (35, 2511388), (44, 1997695), (55, 1598156), (70, 1255694), (77, 1141540), (110, 799078), (140, 627847), (154, 570770), (220, 399539), (308, 285385), (385, 228308), (770, 114154), (1540, 57077)]