204810004

素因数分解:

$2^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 430920000

約数和(自身を除く): 226109996

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 89, 98, 118, 178, 196, 199, 236, 356, 398, 413, 623, 796, 826, 1246, 1393, 1652, 2492, 2786, 2891, 4361, 5251, 5572, 5782, 8722, 9751, 10502, 11564, 11741, 17444, 17711, 19502, 21004, 23482, 35422, 36757, 39004, 46964, 70844, 73514, 82187, 123977, 147028, 164374, 247954, 257299, 328748, 495908, 514598, 575309, 867839, 1029196, 1044949, 1150618, 1735678, 2089898, 2301236, 3471356, 4179796, 7314643, 14629286, 29258572, 51202501, 102405002, 204810004]

約数ペア:

[(1, 204810004), (2, 102405002), (4, 51202501), (7, 29258572), (14, 14629286), (28, 7314643), (49, 4179796), (59, 3471356), (89, 2301236), (98, 2089898), (118, 1735678), (178, 1150618), (196, 1044949), (199, 1029196), (236, 867839), (356, 575309), (398, 514598), (413, 495908), (623, 328748), (796, 257299), (826, 247954), (1246, 164374), (1393, 147028), (1652, 123977), (2492, 82187), (2786, 73514), (2891, 70844), (4361, 46964), (5251, 39004), (5572, 36757), (5782, 35422), (8722, 23482), (9751, 21004), (10502, 19502), (11564, 17711), (11741, 17444)]