1099120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1273

約数の個数: 40

約数和(自身を含む): 2790000

約数和(自身を除く): 1690880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1249, 2498, 4996, 6245, 9992, 12490, 13739, 19984, 24980, 27478, 49960, 54956, 68695, 99920, 109912, 137390, 219824, 274780, 549560, 1099120]

約数ペア:

[(1, 1099120), (2, 549560), (4, 274780), (5, 219824), (8, 137390), (10, 109912), (11, 99920), (16, 68695), (20, 54956), (22, 49960), (40, 27478), (44, 24980), (55, 19984), (80, 13739), (88, 12490), (110, 9992), (176, 6245), (220, 4996), (440, 2498), (880, 1249)]