209257740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1162543}}^1$

素因数の和:1162558

約数の個数: 36

約数和(自身を含む): 634749024

約数和(自身を除く): 425491284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1162543, 2325086, 3487629, 4650172, 5812715, 6975258, 10462887, 11625430, 13950516, 17438145, 20925774, 23250860, 34876290, 41851548, 52314435, 69752580, 104628870, 209257740]

約数ペア:

[(1, 209257740), (2, 104628870), (3, 69752580), (4, 52314435), (5, 41851548), (6, 34876290), (9, 23250860), (10, 20925774), (12, 17438145), (15, 13950516), (18, 11625430), (20, 10462887), (30, 6975258), (36, 5812715), (45, 4650172), (60, 3487629), (90, 2325086), (180, 1162543)]