9238740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21997}}^1$

素因数の和:22016

約数の個数: 48

約数和(自身を含む): 29565312

約数和(自身を除く): 20326572

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, 21997, 43994, 65991, 87988, 109985, 131982, 153979, 219970, 263964, 307958, 329955, 439940, 461937, 615916, 659910, 769895, 923874, 1319820, 1539790, 1847748, 2309685, 3079580, 4619370, 9238740]

約数ペア:

[(1, 9238740), (2, 4619370), (3, 3079580), (4, 2309685), (5, 1847748), (6, 1539790), (7, 1319820), (10, 923874), (12, 769895), (14, 659910), (15, 615916), (20, 461937), (21, 439940), (28, 329955), (30, 307958), (35, 263964), (42, 219970), (60, 153979), (70, 131982), (84, 109985), (105, 87988), (140, 65991), (210, 43994), (420, 21997)]