31290100

素因数分解:

$2^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{1993}}^1$

素因数の和:2164

約数の個数: 36

約数和(自身を含む): 68366284

約数和(自身を除く): 37076184

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 157, 314, 628, 785, 1570, 1993, 3140, 3925, 3986, 7850, 7972, 9965, 15700, 19930, 39860, 49825, 99650, 199300, 312901, 625802, 1251604, 1564505, 3129010, 6258020, 7822525, 15645050, 31290100]

約数ペア:

[(1, 31290100), (2, 15645050), (4, 7822525), (5, 6258020), (10, 3129010), (20, 1564505), (25, 1251604), (50, 625802), (100, 312901), (157, 199300), (314, 99650), (628, 49825), (785, 39860), (1570, 19930), (1993, 15700), (3140, 9965), (3925, 7972), (3986, 7850)]