2021759960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{417719}}^1$

素因数の和:417752

約数の個数: 48

約数和(自身を含む): 5000108400

約数和(自身を除く): 2978348440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 417719, 835438, 1670876, 2088595, 3341752, 4177190, 4594909, 8354380, 9189818, 16708760, 18379636, 22974545, 36759272, 45949090, 50543999, 91898180, 101087998, 183796360, 202175996, 252719995, 404351992, 505439990, 1010879980, 2021759960]

約数ペア:

[(1, 2021759960), (2, 1010879980), (4, 505439990), (5, 404351992), (8, 252719995), (10, 202175996), (11, 183796360), (20, 101087998), (22, 91898180), (40, 50543999), (44, 45949090), (55, 36759272), (88, 22974545), (110, 18379636), (121, 16708760), (220, 9189818), (242, 8354380), (440, 4594909), (484, 4177190), (605, 3341752), (968, 2088595), (1210, 1670876), (2420, 835438), (4840, 417719)]