1630261730

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1\times {\mathrm{2003}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 2957904000

約数和(自身を除く): 1327642270

約数列:

[1, 2, 5, 10, 199, 398, 409, 818, 995, 1990, 2003, 2045, 4006, 4090, 10015, 20030, 81391, 162782, 398597, 406955, 797194, 813910, 819227, 1638454, 1992985, 3985970, 4096135, 8192270, 163026173, 326052346, 815130865, 1630261730]

約数ペア:

[(1, 1630261730), (2, 815130865), (5, 326052346), (10, 163026173), (199, 8192270), (398, 4096135), (409, 3985970), (818, 1992985), (995, 1638454), (1990, 819227), (2003, 813910), (2045, 797194), (4006, 406955), (4090, 398597), (10015, 162782), (20030, 81391)]