156431420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{3083}}^1$

素因数の和:3194

約数の個数: 48

約数和(自身を含む): 341953920

約数和(自身を除く): 185522500

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 86, 118, 172, 215, 236, 295, 430, 590, 860, 1180, 2537, 3083, 5074, 6166, 10148, 12332, 12685, 15415, 25370, 30830, 50740, 61660, 132569, 181897, 265138, 363794, 530276, 662845, 727588, 909485, 1325690, 1818970, 2651380, 3637940, 7821571, 15643142, 31286284, 39107855, 78215710, 156431420]

約数ペア:

[(1, 156431420), (2, 78215710), (4, 39107855), (5, 31286284), (10, 15643142), (20, 7821571), (43, 3637940), (59, 2651380), (86, 1818970), (118, 1325690), (172, 909485), (215, 727588), (236, 662845), (295, 530276), (430, 363794), (590, 265138), (860, 181897), (1180, 132569), (2537, 61660), (3083, 50740), (5074, 30830), (6166, 25370), (10148, 15415), (12332, 12685)]