7171220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{283}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 17367168

約数和(自身を除く): 10195948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 283, 362, 566, 724, 905, 1132, 1267, 1415, 1810, 1981, 2534, 2830, 3620, 3962, 5068, 5660, 6335, 7924, 9905, 12670, 19810, 25340, 39620, 51223, 102446, 204892, 256115, 358561, 512230, 717122, 1024460, 1434244, 1792805, 3585610, 7171220]

約数ペア:

[(1, 7171220), (2, 3585610), (4, 1792805), (5, 1434244), (7, 1024460), (10, 717122), (14, 512230), (20, 358561), (28, 256115), (35, 204892), (70, 102446), (140, 51223), (181, 39620), (283, 25340), (362, 19810), (566, 12670), (724, 9905), (905, 7924), (1132, 6335), (1267, 5660), (1415, 5068), (1810, 3962), (1981, 3620), (2534, 2830)]