685850860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{11903}}^1$

素因数の和:12022

約数の個数: 48

約数和(自身を含む): 1495904256

約数和(自身を除く): 810053396

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 268, 335, 430, 670, 860, 1340, 2881, 5762, 11524, 11903, 14405, 23806, 28810, 47612, 57620, 59515, 119030, 238060, 511829, 797501, 1023658, 1595002, 2047316, 2559145, 3190004, 3987505, 5118290, 7975010, 10236580, 15950020, 34292543, 68585086, 137170172, 171462715, 342925430, 685850860]

約数ペア:

[(1, 685850860), (2, 342925430), (4, 171462715), (5, 137170172), (10, 68585086), (20, 34292543), (43, 15950020), (67, 10236580), (86, 7975010), (134, 5118290), (172, 3987505), (215, 3190004), (268, 2559145), (335, 2047316), (430, 1595002), (670, 1023658), (860, 797501), (1340, 511829), (2881, 238060), (5762, 119030), (11524, 59515), (11903, 57620), (14405, 47612), (23806, 28810)]