204077180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{1543}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 455232960

約数和(自身を除く): 251155780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 389, 778, 1543, 1556, 1945, 3086, 3890, 6172, 6613, 7715, 7780, 13226, 15430, 26231, 26452, 30860, 33065, 52462, 66130, 104924, 131155, 132260, 262310, 524620, 600227, 1200454, 2400908, 3001135, 6002270, 10203859, 12004540, 20407718, 40815436, 51019295, 102038590, 204077180]

約数ペア:

[(1, 204077180), (2, 102038590), (4, 51019295), (5, 40815436), (10, 20407718), (17, 12004540), (20, 10203859), (34, 6002270), (68, 3001135), (85, 2400908), (170, 1200454), (340, 600227), (389, 524620), (778, 262310), (1543, 132260), (1556, 131155), (1945, 104924), (3086, 66130), (3890, 52462), (6172, 33065), (6613, 30860), (7715, 26452), (7780, 26231), (13226, 15430)]