204918910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 431101440

約数和(自身を除く): 226182530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 109, 214, 218, 251, 502, 535, 545, 749, 763, 1070, 1090, 1255, 1498, 1526, 1757, 2510, 3514, 3745, 3815, 7490, 7630, 8785, 11663, 17570, 23326, 26857, 27359, 53714, 54718, 58315, 81641, 116630, 134285, 136795, 163282, 187999, 191513, 268570, 273590, 375998, 383026, 408205, 816410, 939995, 957565, 1879990, 1915130, 2927413, 5854826, 14637065, 20491891, 29274130, 40983782, 102459455, 204918910]

約数ペア:

[(1, 204918910), (2, 102459455), (5, 40983782), (7, 29274130), (10, 20491891), (14, 14637065), (35, 5854826), (70, 2927413), (107, 1915130), (109, 1879990), (214, 957565), (218, 939995), (251, 816410), (502, 408205), (535, 383026), (545, 375998), (749, 273590), (763, 268570), (1070, 191513), (1090, 187999), (1255, 163282), (1498, 136795), (1526, 134285), (1757, 116630), (2510, 81641), (3514, 58315), (3745, 54718), (3815, 53714), (7490, 27359), (7630, 26857), (8785, 23326), (11663, 17570)]