2489290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 32

約数和(自身を含む): 4769280

約数和(自身を除く): 2279990

約数列:

[1, 2, 5, 10, 23, 46, 79, 115, 137, 158, 230, 274, 395, 685, 790, 1370, 1817, 3151, 3634, 6302, 9085, 10823, 15755, 18170, 21646, 31510, 54115, 108230, 248929, 497858, 1244645, 2489290]

約数ペア:

[(1, 2489290), (2, 1244645), (5, 497858), (10, 248929), (23, 108230), (46, 54115), (79, 31510), (115, 21646), (137, 18170), (158, 15755), (230, 10823), (274, 9085), (395, 6302), (685, 3634), (790, 3151), (1370, 1817)]