319544290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{106871}}^1$

素因数の和:106914

約数の個数: 32

約数和(自身を含む): 646361856

約数和(自身を除く): 326817566

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 106871, 213742, 534355, 1068710, 1389323, 2458033, 2778646, 4916066, 6946615, 12290165, 13893230, 24580330, 31954429, 63908858, 159772145, 319544290]

約数ペア:

[(1, 319544290), (2, 159772145), (5, 63908858), (10, 31954429), (13, 24580330), (23, 13893230), (26, 12290165), (46, 6946615), (65, 4916066), (115, 2778646), (130, 2458033), (230, 1389323), (299, 1068710), (598, 534355), (1495, 213742), (2990, 106871)]