2100030950

素因数分解:

$2^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1521

約数の個数: 48

約数和(自身を含む): 3957588960

約数和(自身を除く): 1857558010

約数列:

[1, 2, 5, 10, 25, 50, 103, 206, 409, 515, 818, 997, 1030, 1994, 2045, 2575, 4090, 4985, 5150, 9970, 10225, 20450, 24925, 42127, 49850, 84254, 102691, 205382, 210635, 407773, 421270, 513455, 815546, 1026910, 1053175, 2038865, 2106350, 2567275, 4077730, 5134550, 10194325, 20388650, 42000619, 84001238, 210003095, 420006190, 1050015475, 2100030950]

約数ペア:

[(1, 2100030950), (2, 1050015475), (5, 420006190), (10, 210003095), (25, 84001238), (50, 42000619), (103, 20388650), (206, 10194325), (409, 5134550), (515, 4077730), (818, 2567275), (997, 2106350), (1030, 2038865), (1994, 1053175), (2045, 1026910), (2575, 815546), (4090, 513455), (4985, 421270), (5150, 407773), (9970, 210635), (10225, 205382), (20450, 102691), (24925, 84254), (42127, 49850)]