29728270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20789}}^1$

素因数の和:20820

約数の個数: 32

約数和(自身を含む): 62868960

約数和(自身を除く): 33140690

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 20789, 41578, 103945, 207890, 228679, 270257, 457358, 540514, 1143395, 1351285, 2286790, 2702570, 2972827, 5945654, 14864135, 29728270]

約数ペア:

[(1, 29728270), (2, 14864135), (5, 5945654), (10, 2972827), (11, 2702570), (13, 2286790), (22, 1351285), (26, 1143395), (55, 540514), (65, 457358), (110, 270257), (130, 228679), (143, 207890), (286, 103945), (715, 41578), (1430, 20789)]