87358740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{207997}}^1$

素因数の和:208016

約数の個数: 48

約数和(自身を含む): 279549312

約数和(自身を除く): 192190572

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, 207997, 415994, 623991, 831988, 1039985, 1247982, 1455979, 2079970, 2495964, 2911958, 3119955, 4159940, 4367937, 5823916, 6239910, 7279895, 8735874, 12479820, 14559790, 17471748, 21839685, 29119580, 43679370, 87358740]

約数ペア:

[(1, 87358740), (2, 43679370), (3, 29119580), (4, 21839685), (5, 17471748), (6, 14559790), (7, 12479820), (10, 8735874), (12, 7279895), (14, 6239910), (15, 5823916), (20, 4367937), (21, 4159940), (28, 3119955), (30, 2911958), (35, 2495964), (42, 2079970), (60, 1455979), (70, 1247982), (84, 1039985), (105, 831988), (140, 623991), (210, 415994), (420, 207997)]