1220921860

素因数分解:

$2^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{316301}}^1$

素因数の和:316503

約数の個数: 24

約数和(自身を含む): 2577228696

約数和(自身を除く): 1356306836

約数列:

[1, 2, 4, 5, 10, 20, 193, 386, 772, 965, 1930, 3860, 316301, 632602, 1265204, 1581505, 3163010, 6326020, 61046093, 122092186, 244184372, 305230465, 610460930, 1220921860]

約数ペア:

[(1, 1220921860), (2, 610460930), (4, 305230465), (5, 244184372), (10, 122092186), (20, 61046093), (193, 6326020), (386, 3163010), (772, 1581505), (965, 1265204), (1930, 632602), (3860, 316301)]