289454930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:639

約数の個数: 64

約数和(自身を含む): 570240000

約数和(自身を除く): 280785070

約数列:

[1, 2, 5, 10, 19, 38, 43, 71, 86, 95, 142, 190, 215, 355, 430, 499, 710, 817, 998, 1349, 1634, 2495, 2698, 3053, 4085, 4990, 6106, 6745, 8170, 9481, 13490, 15265, 18962, 21457, 30530, 35429, 42914, 47405, 58007, 70858, 94810, 107285, 116014, 177145, 214570, 290035, 354290, 407683, 580070, 673151, 815366, 1346302, 1523447, 2038415, 3046894, 3365755, 4076830, 6731510, 7617235, 15234470, 28945493, 57890986, 144727465, 289454930]

約数ペア:

[(1, 289454930), (2, 144727465), (5, 57890986), (10, 28945493), (19, 15234470), (38, 7617235), (43, 6731510), (71, 4076830), (86, 3365755), (95, 3046894), (142, 2038415), (190, 1523447), (215, 1346302), (355, 815366), (430, 673151), (499, 580070), (710, 407683), (817, 354290), (998, 290035), (1349, 214570), (1634, 177145), (2495, 116014), (2698, 107285), (3053, 94810), (4085, 70858), (4990, 58007), (6106, 47405), (6745, 42914), (8170, 35429), (9481, 30530), (13490, 21457), (15265, 18962)]