221480770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{77171}}^1$

素因数の和:77226

約数の個数: 32

約数和(自身を含む): 466736256

約数和(自身を除く): 245255486

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 77171, 154342, 385855, 540197, 771710, 1080394, 2700985, 3164011, 5401970, 6328022, 15820055, 22148077, 31640110, 44296154, 110740385, 221480770]

約数ペア:

[(1, 221480770), (2, 110740385), (5, 44296154), (7, 31640110), (10, 22148077), (14, 15820055), (35, 6328022), (41, 5401970), (70, 3164011), (82, 2700985), (205, 1080394), (287, 771710), (410, 540197), (574, 385855), (1435, 154342), (2870, 77171)]