90297025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 145129600

約数和(自身を除く): 54832575

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 475, 665, 1235, 1729, 2089, 2275, 3325, 6175, 8645, 10445, 14623, 27157, 39691, 43225, 52225, 73115, 135785, 190099, 198455, 277837, 365575, 515983, 678925, 950495, 992275, 1389185, 2579915, 3611881, 4752475, 6945925, 12899575, 18059405, 90297025]

約数ペア:

[(1, 90297025), (5, 18059405), (7, 12899575), (13, 6945925), (19, 4752475), (25, 3611881), (35, 2579915), (65, 1389185), (91, 992275), (95, 950495), (133, 678925), (175, 515983), (247, 365575), (325, 277837), (455, 198455), (475, 190099), (665, 135785), (1235, 73115), (1729, 52225), (2089, 43225), (2275, 39691), (3325, 27157), (6175, 14623), (8645, 10445)]