315942490

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{2143}}^1$

素因数の和:2814

約数の個数: 32

約数和(自身を含む): 594625536

約数和(自身を除く): 278683046

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 641, 1282, 2143, 3205, 4286, 6410, 10715, 14743, 21430, 29486, 49289, 73715, 98578, 147430, 246445, 492890, 1373663, 2747326, 6868315, 13736630, 31594249, 63188498, 157971245, 315942490]

約数ペア:

[(1, 315942490), (2, 157971245), (5, 63188498), (10, 31594249), (23, 13736630), (46, 6868315), (115, 2747326), (230, 1373663), (641, 492890), (1282, 246445), (2143, 147430), (3205, 98578), (4286, 73715), (6410, 49289), (10715, 29486), (14743, 21430)]