2779090

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 5360256

約数和(自身を除く): 2581166

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 281, 430, 562, 989, 1405, 1978, 2810, 4945, 6463, 9890, 12083, 12926, 24166, 32315, 60415, 64630, 120830, 277909, 555818, 1389545, 2779090]

約数ペア:

[(1, 2779090), (2, 1389545), (5, 555818), (10, 277909), (23, 120830), (43, 64630), (46, 60415), (86, 32315), (115, 24166), (215, 12926), (230, 12083), (281, 9890), (430, 6463), (562, 4945), (989, 2810), (1405, 1978)]