258235490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{863}}^1\times {\mathrm{1301}}^1$

素因数の和:2194

約数の個数: 32

約数和(自身を含む): 485968896

約数和(自身を除く): 227733406

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 863, 1301, 1726, 2602, 4315, 6505, 8630, 13010, 19849, 29923, 39698, 59846, 99245, 149615, 198490, 299230, 1122763, 2245526, 5613815, 11227630, 25823549, 51647098, 129117745, 258235490]

約数ペア:

[(1, 258235490), (2, 129117745), (5, 51647098), (10, 25823549), (23, 11227630), (46, 5613815), (115, 2245526), (230, 1122763), (863, 299230), (1301, 198490), (1726, 149615), (2602, 99245), (4315, 59846), (6505, 39698), (8630, 29923), (13010, 19849)]