178148570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{18013}}^1$

素因数の和:18086

約数の個数: 32

約数和(自身を含む): 342410112

約数和(自身を除く): 164261542

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 18013, 36026, 90065, 180130, 414299, 774559, 828598, 1549118, 2071495, 3872795, 4142990, 7745590, 17814857, 35629714, 89074285, 178148570]

約数ペア:

[(1, 178148570), (2, 89074285), (5, 35629714), (10, 17814857), (23, 7745590), (43, 4142990), (46, 3872795), (86, 2071495), (115, 1549118), (215, 828598), (230, 774559), (430, 414299), (989, 180130), (1978, 90065), (4945, 36026), (9890, 18013)]