1954804940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{206639}}^1$

素因数の和:206702

約数の個数: 48

約数和(自身を含む): 4582448640

約数和(自身を除く): 2627643700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 206639, 413278, 826556, 1033195, 2066390, 2273029, 4132780, 4546058, 8885477, 9092116, 11365145, 17770954, 22730290, 35541908, 44427385, 45460580, 88854770, 97740247, 177709540, 195480494, 390960988, 488701235, 977402470, 1954804940]

約数ペア:

[(1, 1954804940), (2, 977402470), (4, 488701235), (5, 390960988), (10, 195480494), (11, 177709540), (20, 97740247), (22, 88854770), (43, 45460580), (44, 44427385), (55, 35541908), (86, 22730290), (110, 17770954), (172, 11365145), (215, 9092116), (220, 8885477), (430, 4546058), (473, 4132780), (860, 2273029), (946, 2066390), (1892, 1033195), (2365, 826556), (4730, 413278), (9460, 206639)]