1310365420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{719981}}^1$

素因数の和:720010

約数の個数: 48

約数和(自身を含む): 3386795328

約数和(自身を除く): 2076429908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 719981, 1439962, 2879924, 3599905, 5039867, 7199810, 9359753, 10079734, 14399620, 18719506, 20159468, 25199335, 37439012, 46798765, 50398670, 65518271, 93597530, 100797340, 131036542, 187195060, 262073084, 327591355, 655182710, 1310365420]

約数ペア:

[(1, 1310365420), (2, 655182710), (4, 327591355), (5, 262073084), (7, 187195060), (10, 131036542), (13, 100797340), (14, 93597530), (20, 65518271), (26, 50398670), (28, 46798765), (35, 37439012), (52, 25199335), (65, 20159468), (70, 18719506), (91, 14399620), (130, 10079734), (140, 9359753), (182, 7199810), (260, 5039867), (364, 3599905), (455, 2879924), (910, 1439962), (1820, 719981)]