87951860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 189314496

約数和(自身を除く): 101362636

約数列:

[1, 2, 4, 5, 10, 20, 73, 107, 146, 214, 292, 365, 428, 535, 563, 730, 1070, 1126, 1460, 2140, 2252, 2815, 5630, 7811, 11260, 15622, 31244, 39055, 41099, 60241, 78110, 82198, 120482, 156220, 164396, 205495, 240964, 301205, 410990, 602410, 821980, 1204820, 4397593, 8795186, 17590372, 21987965, 43975930, 87951860]

約数ペア:

[(1, 87951860), (2, 43975930), (4, 21987965), (5, 17590372), (10, 8795186), (20, 4397593), (73, 1204820), (107, 821980), (146, 602410), (214, 410990), (292, 301205), (365, 240964), (428, 205495), (535, 164396), (563, 156220), (730, 120482), (1070, 82198), (1126, 78110), (1460, 60241), (2140, 41099), (2252, 39055), (2815, 31244), (5630, 15622), (7811, 11260)]