10668140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 25806144

約数和(自身を除く): 15138004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 421, 724, 842, 905, 1267, 1684, 1810, 2105, 2534, 2947, 3620, 4210, 5068, 5894, 6335, 8420, 11788, 12670, 14735, 25340, 29470, 58940, 76201, 152402, 304804, 381005, 533407, 762010, 1066814, 1524020, 2133628, 2667035, 5334070, 10668140]

約数ペア:

[(1, 10668140), (2, 5334070), (4, 2667035), (5, 2133628), (7, 1524020), (10, 1066814), (14, 762010), (20, 533407), (28, 381005), (35, 304804), (70, 152402), (140, 76201), (181, 58940), (362, 29470), (421, 25340), (724, 14735), (842, 12670), (905, 11788), (1267, 8420), (1684, 6335), (1810, 5894), (2105, 5068), (2534, 4210), (2947, 3620)]