88776140

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 190011360

約数和(自身を除く): 101235220

約数列:

[1, 2, 4, 5, 10, 20, 109, 193, 211, 218, 386, 422, 436, 545, 772, 844, 965, 1055, 1090, 1930, 2110, 2180, 3860, 4220, 21037, 22999, 40723, 42074, 45998, 81446, 84148, 91996, 105185, 114995, 162892, 203615, 210370, 229990, 407230, 420740, 459980, 814460, 4438807, 8877614, 17755228, 22194035, 44388070, 88776140]

約数ペア:

[(1, 88776140), (2, 44388070), (4, 22194035), (5, 17755228), (10, 8877614), (20, 4438807), (109, 814460), (193, 459980), (211, 420740), (218, 407230), (386, 229990), (422, 210370), (436, 203615), (545, 162892), (772, 114995), (844, 105185), (965, 91996), (1055, 84148), (1090, 81446), (1930, 45998), (2110, 42074), (2180, 40723), (3860, 22999), (4220, 21037)]