166988220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{397591}}^1$

素因数の和:397610

約数の個数: 48

約数和(自身を含む): 534363648

約数和(自身を除く): 367375428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 397591, 795182, 1192773, 1590364, 1987955, 2385546, 2783137, 3975910, 4771092, 5566274, 5963865, 7951820, 8349411, 11132548, 11927730, 13915685, 16698822, 23855460, 27831370, 33397644, 41747055, 55662740, 83494110, 166988220]

約数ペア:

[(1, 166988220), (2, 83494110), (3, 55662740), (4, 41747055), (5, 33397644), (6, 27831370), (7, 23855460), (10, 16698822), (12, 13915685), (14, 11927730), (15, 11132548), (20, 8349411), (21, 7951820), (28, 5963865), (30, 5566274), (35, 4771092), (42, 3975910), (60, 2783137), (70, 2385546), (84, 1987955), (105, 1590364), (140, 1192773), (210, 795182), (420, 397591)]