240521260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3499}}^1$

素因数の和:4006

約数の個数: 48

約数和(自身を含む): 578592000

約数和(自身を除く): 338070740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 491, 982, 1964, 2455, 3437, 3499, 4910, 6874, 6998, 9820, 13748, 13996, 17185, 17495, 24493, 34370, 34990, 48986, 68740, 69980, 97972, 122465, 244930, 489860, 1718009, 3436018, 6872036, 8590045, 12026063, 17180090, 24052126, 34360180, 48104252, 60130315, 120260630, 240521260]

約数ペア:

[(1, 240521260), (2, 120260630), (4, 60130315), (5, 48104252), (7, 34360180), (10, 24052126), (14, 17180090), (20, 12026063), (28, 8590045), (35, 6872036), (70, 3436018), (140, 1718009), (491, 489860), (982, 244930), (1964, 122465), (2455, 97972), (3437, 69980), (3499, 68740), (4910, 48986), (6874, 34990), (6998, 34370), (9820, 24493), (13748, 17495), (13996, 17185)]