178004470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{20023}}^1$

素因数の和:20164

約数の個数: 32

約数和(自身を含む): 369082368

約数和(自身を除く): 191077898

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 4445, 8890, 20023, 40046, 100115, 140161, 200230, 280322, 700805, 1401610, 2542921, 5085842, 12714605, 17800447, 25429210, 35600894, 89002235, 178004470]

約数ペア:

[(1, 178004470), (2, 89002235), (5, 35600894), (7, 25429210), (10, 17800447), (14, 12714605), (35, 5085842), (70, 2542921), (127, 1401610), (254, 700805), (635, 280322), (889, 200230), (1270, 140161), (1778, 100115), (4445, 40046), (8890, 20023)]