274780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1269

約数の個数: 24

約数和(自身を含む): 630000

約数和(自身を除く): 355220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1249, 2498, 4996, 6245, 12490, 13739, 24980, 27478, 54956, 68695, 137390, 274780]

約数ペア:

[(1, 274780), (2, 137390), (4, 68695), (5, 54956), (10, 27478), (11, 24980), (20, 13739), (22, 12490), (44, 6245), (55, 4996), (110, 2498), (220, 1249)]