57215180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1871}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 132088320

約数和(自身を除く): 74873140

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 1390, 1529, 1871, 2780, 3058, 3742, 6116, 7484, 7645, 9355, 15290, 18710, 20581, 30580, 37420, 41162, 82324, 102905, 205810, 260069, 411620, 520138, 1040276, 1300345, 2600690, 2860759, 5201380, 5721518, 11443036, 14303795, 28607590, 57215180]

約数ペア:

[(1, 57215180), (2, 28607590), (4, 14303795), (5, 11443036), (10, 5721518), (11, 5201380), (20, 2860759), (22, 2600690), (44, 1300345), (55, 1040276), (110, 520138), (139, 411620), (220, 260069), (278, 205810), (556, 102905), (695, 82324), (1390, 41162), (1529, 37420), (1871, 30580), (2780, 20581), (3058, 18710), (3742, 15290), (6116, 9355), (7484, 7645)]