126907400

素因数分解:

$2^3\times 5^2\times {\mathrm{197}}^1\times {\mathrm{3221}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 296649540

約数和(自身を除く): 169742140

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 197, 200, 394, 788, 985, 1576, 1970, 3221, 3940, 4925, 6442, 7880, 9850, 12884, 16105, 19700, 25768, 32210, 39400, 64420, 80525, 128840, 161050, 322100, 634537, 644200, 1269074, 2538148, 3172685, 5076296, 6345370, 12690740, 15863425, 25381480, 31726850, 63453700, 126907400]

約数ペア:

[(1, 126907400), (2, 63453700), (4, 31726850), (5, 25381480), (8, 15863425), (10, 12690740), (20, 6345370), (25, 5076296), (40, 3172685), (50, 2538148), (100, 1269074), (197, 644200), (200, 634537), (394, 322100), (788, 161050), (985, 128840), (1576, 80525), (1970, 64420), (3221, 39400), (3940, 32210), (4925, 25768), (6442, 19700), (7880, 16105), (9850, 12884)]