139439570

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{439}}^1\times {\mathrm{1381}}^1$

素因数の和:1850

約数の個数: 32

約数和(自身を含む): 262690560

約数和(自身を除く): 123250990

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 439, 878, 1381, 2195, 2762, 4390, 6905, 10097, 13810, 20194, 31763, 50485, 63526, 100970, 158815, 317630, 606259, 1212518, 3031295, 6062590, 13943957, 27887914, 69719785, 139439570]

約数ペア:

[(1, 139439570), (2, 69719785), (5, 27887914), (10, 13943957), (23, 6062590), (46, 3031295), (115, 1212518), (230, 606259), (439, 317630), (878, 158815), (1381, 100970), (2195, 63526), (2762, 50485), (4390, 31763), (6905, 20194), (10097, 13810)]