189485270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:669

約数の個数: 64

約数和(自身を含む): 387072000

約数和(自身を除く): 197586730

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 127, 130, 230, 254, 299, 499, 598, 635, 998, 1270, 1495, 1651, 2495, 2921, 2990, 3302, 4990, 5842, 6487, 8255, 11477, 12974, 14605, 16510, 22954, 29210, 32435, 37973, 57385, 63373, 64870, 75946, 114770, 126746, 149201, 189865, 298402, 316865, 379730, 633730, 746005, 823849, 1457579, 1492010, 1647698, 2915158, 4119245, 7287895, 8238490, 14575790, 18948527, 37897054, 94742635, 189485270]

約数ペア:

[(1, 189485270), (2, 94742635), (5, 37897054), (10, 18948527), (13, 14575790), (23, 8238490), (26, 7287895), (46, 4119245), (65, 2915158), (115, 1647698), (127, 1492010), (130, 1457579), (230, 823849), (254, 746005), (299, 633730), (499, 379730), (598, 316865), (635, 298402), (998, 189865), (1270, 149201), (1495, 126746), (1651, 114770), (2495, 75946), (2921, 64870), (2990, 63373), (3302, 57385), (4990, 37973), (5842, 32435), (6487, 29210), (8255, 22954), (11477, 16510), (12974, 14605)]