520028390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{322999}}^1$

素因数の和:323036

約数の個数: 32

約数和(自身を含む): 1116288000

約数和(自身を除く): 596259610

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 322999, 645998, 1614995, 2260993, 3229990, 4521986, 7428977, 11304965, 14857954, 22609930, 37144885, 52002839, 74289770, 104005678, 260014195, 520028390]

約数ペア:

[(1, 520028390), (2, 260014195), (5, 104005678), (7, 74289770), (10, 52002839), (14, 37144885), (23, 22609930), (35, 14857954), (46, 11304965), (70, 7428977), (115, 4521986), (161, 3229990), (230, 2260993), (322, 1614995), (805, 645998), (1610, 322999)]