201505390

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 366949440

約数和(自身を除く): 165444050

約数列:

[1, 2, 5, 10, 197, 233, 394, 439, 466, 878, 985, 1165, 1970, 2195, 2330, 4390, 45901, 86483, 91802, 102287, 172966, 204574, 229505, 432415, 459010, 511435, 864830, 1022870, 20150539, 40301078, 100752695, 201505390]

約数ペア:

[(1, 201505390), (2, 100752695), (5, 40301078), (10, 20150539), (197, 1022870), (233, 864830), (394, 511435), (439, 459010), (466, 432415), (878, 229505), (985, 204574), (1165, 172966), (1970, 102287), (2195, 91802), (2330, 86483), (4390, 45901)]