204215790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:721

約数の個数: 64

約数和(自身を含む): 499968000

約数和(自身を除く): 295752210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 199, 237, 395, 398, 433, 474, 597, 790, 866, 995, 1185, 1194, 1299, 1990, 2165, 2370, 2598, 2985, 4330, 5970, 6495, 12990, 15721, 31442, 34207, 47163, 68414, 78605, 86167, 94326, 102621, 157210, 171035, 172334, 205242, 235815, 258501, 342070, 430835, 471630, 513105, 517002, 861670, 1026210, 1292505, 2585010, 6807193, 13614386, 20421579, 34035965, 40843158, 68071930, 102107895, 204215790]

約数ペア:

[(1, 204215790), (2, 102107895), (3, 68071930), (5, 40843158), (6, 34035965), (10, 20421579), (15, 13614386), (30, 6807193), (79, 2585010), (158, 1292505), (199, 1026210), (237, 861670), (395, 517002), (398, 513105), (433, 471630), (474, 430835), (597, 342070), (790, 258501), (866, 235815), (995, 205242), (1185, 172334), (1194, 171035), (1299, 157210), (1990, 102621), (2165, 94326), (2370, 86167), (2598, 78605), (2985, 68414), (4330, 47163), (5970, 34207), (6495, 31442), (12990, 15721)]