208059490

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{1109}}^1$

素因数の和:1446

約数の個数: 32

約数和(自身を含む): 381458160

約数和(自身を除く): 173398670

約数列:

[1, 2, 5, 10, 73, 146, 257, 365, 514, 730, 1109, 1285, 2218, 2570, 5545, 11090, 18761, 37522, 80957, 93805, 161914, 187610, 285013, 404785, 570026, 809570, 1425065, 2850130, 20805949, 41611898, 104029745, 208059490]

約数ペア:

[(1, 208059490), (2, 104029745), (5, 41611898), (10, 20805949), (73, 2850130), (146, 1425065), (257, 809570), (365, 570026), (514, 404785), (730, 285013), (1109, 187610), (1285, 161914), (2218, 93805), (2570, 80957), (5545, 37522), (11090, 18761)]