28544390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 61461504

約数和(自身を除く): 32917114

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 103, 107, 185, 206, 214, 259, 370, 515, 518, 535, 721, 749, 1030, 1070, 1295, 1442, 1498, 2590, 3605, 3745, 3811, 3959, 7210, 7490, 7622, 7918, 11021, 19055, 19795, 22042, 26677, 27713, 38110, 39590, 53354, 55105, 55426, 77147, 110210, 133385, 138565, 154294, 266770, 277130, 385735, 407777, 771470, 815554, 2038885, 2854439, 4077770, 5708878, 14272195, 28544390]

約数ペア:

[(1, 28544390), (2, 14272195), (5, 5708878), (7, 4077770), (10, 2854439), (14, 2038885), (35, 815554), (37, 771470), (70, 407777), (74, 385735), (103, 277130), (107, 266770), (185, 154294), (206, 138565), (214, 133385), (259, 110210), (370, 77147), (515, 55426), (518, 55105), (535, 53354), (721, 39590), (749, 38110), (1030, 27713), (1070, 26677), (1295, 22042), (1442, 19795), (1498, 19055), (2590, 11021), (3605, 7918), (3745, 7622), (3811, 7490), (3959, 7210)]