1282172450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{18097}}^1$

素因数の和:18231

約数の個数: 48

約数和(自身を含む): 2591995560

約数和(自身を除く): 1309823110

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 109, 130, 218, 325, 545, 650, 1090, 1417, 2725, 2834, 5450, 7085, 14170, 18097, 35425, 36194, 70850, 90485, 180970, 235261, 452425, 470522, 904850, 1176305, 1972573, 2352610, 3945146, 5881525, 9862865, 11763050, 19725730, 25643449, 49314325, 51286898, 98628650, 128217245, 256434490, 641086225, 1282172450]

約数ペア:

[(1, 1282172450), (2, 641086225), (5, 256434490), (10, 128217245), (13, 98628650), (25, 51286898), (26, 49314325), (50, 25643449), (65, 19725730), (109, 11763050), (130, 9862865), (218, 5881525), (325, 3945146), (545, 2352610), (650, 1972573), (1090, 1176305), (1417, 904850), (2725, 470522), (2834, 452425), (5450, 235261), (7085, 180970), (14170, 90485), (18097, 70850), (35425, 36194)]