7936940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:902

約数の個数: 48

約数和(自身を含む): 18627840

約数和(自身を除く): 10690900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 839, 860, 946, 1678, 1892, 2365, 3356, 4195, 4730, 8390, 9229, 9460, 16780, 18458, 36077, 36916, 46145, 72154, 92290, 144308, 180385, 184580, 360770, 396847, 721540, 793694, 1587388, 1984235, 3968470, 7936940]

約数ペア:

[(1, 7936940), (2, 3968470), (4, 1984235), (5, 1587388), (10, 793694), (11, 721540), (20, 396847), (22, 360770), (43, 184580), (44, 180385), (55, 144308), (86, 92290), (110, 72154), (172, 46145), (215, 36916), (220, 36077), (430, 18458), (473, 16780), (839, 9460), (860, 9229), (946, 8390), (1678, 4730), (1892, 4195), (2365, 3356)]