90228775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2333}}^1$

素因数の和:2380

約数の個数: 48

約数和(自身を含む): 145865664

約数和(自身を除く): 55636889

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 2275, 2333, 2975, 5525, 7735, 11665, 16331, 30329, 38675, 39661, 58325, 81655, 151645, 198305, 212303, 277627, 408275, 515593, 758225, 991525, 1061515, 1388135, 2577965, 3609151, 5307575, 6940675, 12889825, 18045755, 90228775]

約数ペア:

[(1, 90228775), (5, 18045755), (7, 12889825), (13, 6940675), (17, 5307575), (25, 3609151), (35, 2577965), (65, 1388135), (85, 1061515), (91, 991525), (119, 758225), (175, 515593), (221, 408275), (325, 277627), (425, 212303), (455, 198305), (595, 151645), (1105, 81655), (1547, 58325), (2275, 39661), (2333, 38675), (2975, 30329), (5525, 16331), (7735, 11665)]