549560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 1350000

約数和(自身を除く): 800440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1249, 2498, 4996, 6245, 9992, 12490, 13739, 24980, 27478, 49960, 54956, 68695, 109912, 137390, 274780, 549560]

約数ペア:

[(1, 549560), (2, 274780), (4, 137390), (5, 109912), (8, 68695), (10, 54956), (11, 49960), (20, 27478), (22, 24980), (40, 13739), (44, 12490), (55, 9992), (88, 6245), (110, 4996), (220, 2498), (440, 1249)]