7851025

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:83

約数の個数: 72

約数和(自身を含む): 13358520

約数和(自身を除く): 5507495

約数列:

[1, 5, 7, 13, 17, 25, 29, 35, 49, 65, 85, 91, 119, 145, 175, 203, 221, 245, 325, 377, 425, 455, 493, 595, 637, 725, 833, 1015, 1105, 1225, 1421, 1547, 1885, 2275, 2465, 2639, 2975, 3185, 3451, 4165, 5075, 5525, 6409, 7105, 7735, 9425, 10829, 12325, 13195, 15925, 17255, 18473, 20825, 24157, 32045, 35525, 38675, 44863, 54145, 65975, 86275, 92365, 120785, 160225, 224315, 270725, 314041, 461825, 603925, 1121575, 1570205, 7851025]

約数ペア:

[(1, 7851025), (5, 1570205), (7, 1121575), (13, 603925), (17, 461825), (25, 314041), (29, 270725), (35, 224315), (49, 160225), (65, 120785), (85, 92365), (91, 86275), (119, 65975), (145, 54145), (175, 44863), (203, 38675), (221, 35525), (245, 32045), (325, 24157), (377, 20825), (425, 18473), (455, 17255), (493, 15925), (595, 13195), (637, 12325), (725, 10829), (833, 9425), (1015, 7735), (1105, 7105), (1225, 6409), (1421, 5525), (1547, 5075), (1885, 4165), (2275, 3451), (2465, 3185), (2639, 2975)]