90720196

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{499}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 187264000

約数和(自身を除く): 96543804

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 151, 172, 301, 302, 499, 602, 604, 998, 1057, 1204, 1996, 2114, 3493, 4228, 6493, 6986, 12986, 13972, 21457, 25972, 42914, 45451, 75349, 85828, 90902, 150199, 150698, 181804, 300398, 301396, 527443, 600796, 1054886, 2109772, 3240007, 6480014, 12960028, 22680049, 45360098, 90720196]

約数ペア:

[(1, 90720196), (2, 45360098), (4, 22680049), (7, 12960028), (14, 6480014), (28, 3240007), (43, 2109772), (86, 1054886), (151, 600796), (172, 527443), (301, 301396), (302, 300398), (499, 181804), (602, 150698), (604, 150199), (998, 90902), (1057, 85828), (1204, 75349), (1996, 45451), (2114, 42914), (3493, 25972), (4228, 21457), (6493, 13972), (6986, 12986)]