27289220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{463}}^1$

素因数の和:900

約数の個数: 48

約数和(自身を含む): 65791488

約数和(自身を除く): 38502268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 463, 842, 926, 1684, 1852, 2105, 2315, 2947, 3241, 4210, 4630, 5894, 6482, 8420, 9260, 11788, 12964, 14735, 16205, 29470, 32410, 58940, 64820, 194923, 389846, 779692, 974615, 1364461, 1949230, 2728922, 3898460, 5457844, 6822305, 13644610, 27289220]

約数ペア:

[(1, 27289220), (2, 13644610), (4, 6822305), (5, 5457844), (7, 3898460), (10, 2728922), (14, 1949230), (20, 1364461), (28, 974615), (35, 779692), (70, 389846), (140, 194923), (421, 64820), (463, 58940), (842, 32410), (926, 29470), (1684, 16205), (1852, 14735), (2105, 12964), (2315, 11788), (2947, 9260), (3241, 8420), (4210, 6482), (4630, 5894)]