78636380

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 169827840

約数和(自身を除く): 91191460

約数列:

[1, 2, 4, 5, 10, 20, 59, 103, 118, 206, 236, 295, 412, 515, 590, 647, 1030, 1180, 1294, 2060, 2588, 3235, 6077, 6470, 12154, 12940, 24308, 30385, 38173, 60770, 66641, 76346, 121540, 133282, 152692, 190865, 266564, 333205, 381730, 666410, 763460, 1332820, 3931819, 7863638, 15727276, 19659095, 39318190, 78636380]

約数ペア:

[(1, 78636380), (2, 39318190), (4, 19659095), (5, 15727276), (10, 7863638), (20, 3931819), (59, 1332820), (103, 763460), (118, 666410), (206, 381730), (236, 333205), (295, 266564), (412, 190865), (515, 152692), (590, 133282), (647, 121540), (1030, 76346), (1180, 66641), (1294, 60770), (2060, 38173), (2588, 30385), (3235, 24308), (6077, 12940), (6470, 12154)]