28297940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 65197440

約数和(自身を除く): 36899500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 293, 439, 586, 878, 1172, 1465, 1756, 2195, 2930, 3223, 4390, 4829, 5860, 6446, 8780, 9658, 12892, 16115, 19316, 24145, 32230, 48290, 64460, 96580, 128627, 257254, 514508, 643135, 1286270, 1414897, 2572540, 2829794, 5659588, 7074485, 14148970, 28297940]

約数ペア:

[(1, 28297940), (2, 14148970), (4, 7074485), (5, 5659588), (10, 2829794), (11, 2572540), (20, 1414897), (22, 1286270), (44, 643135), (55, 514508), (110, 257254), (220, 128627), (293, 96580), (439, 64460), (586, 48290), (878, 32230), (1172, 24145), (1465, 19316), (1756, 16115), (2195, 12892), (2930, 9658), (3223, 8780), (4390, 6446), (4829, 5860)]