489231350

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{70393}}^1$

素因数の和:70544

約数の個数: 24

約数和(自身を含む): 916529880

約数和(自身を除く): 427298530

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 6950, 70393, 140786, 351965, 703930, 1759825, 3519650, 9784627, 19569254, 48923135, 97846270, 244615675, 489231350]

約数ペア:

[(1, 489231350), (2, 244615675), (5, 97846270), (10, 48923135), (25, 19569254), (50, 9784627), (139, 3519650), (278, 1759825), (695, 703930), (1390, 351965), (3475, 140786), (6950, 70393)]