286242740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{4999}}^1$

素因数の和:5424

約数の個数: 48

約数和(自身を含む): 688800000

約数和(自身を除く): 402557260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409, 818, 1636, 2045, 2863, 4090, 4999, 5726, 8180, 9998, 11452, 14315, 19996, 24995, 28630, 34993, 49990, 57260, 69986, 99980, 139972, 174965, 349930, 699860, 2044591, 4089182, 8178364, 10222955, 14312137, 20445910, 28624274, 40891820, 57248548, 71560685, 143121370, 286242740]

約数ペア:

[(1, 286242740), (2, 143121370), (4, 71560685), (5, 57248548), (7, 40891820), (10, 28624274), (14, 20445910), (20, 14312137), (28, 10222955), (35, 8178364), (70, 4089182), (140, 2044591), (409, 699860), (818, 349930), (1636, 174965), (2045, 139972), (2863, 99980), (4090, 69986), (4999, 57260), (5726, 49990), (8180, 34993), (9998, 28630), (11452, 24995), (14315, 19996)]