9242420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{977}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 21688128

約数和(自身を除く): 12445708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 977, 1892, 1954, 2365, 3908, 4730, 4885, 9460, 9770, 10747, 19540, 21494, 42011, 42988, 53735, 84022, 107470, 168044, 210055, 214940, 420110, 462121, 840220, 924242, 1848484, 2310605, 4621210, 9242420]

約数ペア:

[(1, 9242420), (2, 4621210), (4, 2310605), (5, 1848484), (10, 924242), (11, 840220), (20, 462121), (22, 420110), (43, 214940), (44, 210055), (55, 168044), (86, 107470), (110, 84022), (172, 53735), (215, 42988), (220, 42011), (430, 21494), (473, 19540), (860, 10747), (946, 9770), (977, 9460), (1892, 4885), (1954, 4730), (2365, 3908)]