87776220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{208991}}^1$

素因数の和:209010

約数の個数: 48

約数和(自身を含む): 280885248

約数和(自身を除く): 193109028

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, 208991, 417982, 626973, 835964, 1044955, 1253946, 1462937, 2089910, 2507892, 2925874, 3134865, 4179820, 4388811, 5851748, 6269730, 7314685, 8777622, 12539460, 14629370, 17555244, 21944055, 29258740, 43888110, 87776220]

約数ペア:

[(1, 87776220), (2, 43888110), (3, 29258740), (4, 21944055), (5, 17555244), (6, 14629370), (7, 12539460), (10, 8777622), (12, 7314685), (14, 6269730), (15, 5851748), (20, 4388811), (21, 4179820), (28, 3134865), (30, 2925874), (35, 2507892), (42, 2089910), (60, 1462937), (70, 1253946), (84, 1044955), (105, 835964), (140, 626973), (210, 417982), (420, 208991)]