81800950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21247}}^1$

素因数の和:21277

約数の個数: 48

約数和(自身を含む): 189702144

約数和(自身を除く): 107901194

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 50, 55, 70, 77, 110, 154, 175, 275, 350, 385, 550, 770, 1925, 3850, 21247, 42494, 106235, 148729, 212470, 233717, 297458, 467434, 531175, 743645, 1062350, 1168585, 1487290, 1636019, 2337170, 3272038, 3718225, 5842925, 7436450, 8180095, 11685850, 16360190, 40900475, 81800950]

約数ペア:

[(1, 81800950), (2, 40900475), (5, 16360190), (7, 11685850), (10, 8180095), (11, 7436450), (14, 5842925), (22, 3718225), (25, 3272038), (35, 2337170), (50, 1636019), (55, 1487290), (70, 1168585), (77, 1062350), (110, 743645), (154, 531175), (175, 467434), (275, 297458), (350, 233717), (385, 212470), (550, 148729), (770, 106235), (1925, 42494), (3850, 21247)]