90515900

素因数分解:

$2^2\times 5^2\times {\mathrm{137}}^1\times {\mathrm{6607}}^1$

素因数の和:6758

約数の個数: 36

約数和(自身を含む): 197883168

約数和(自身を除く): 107367268

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 137, 274, 548, 685, 1370, 2740, 3425, 6607, 6850, 13214, 13700, 26428, 33035, 66070, 132140, 165175, 330350, 660700, 905159, 1810318, 3620636, 4525795, 9051590, 18103180, 22628975, 45257950, 90515900]

約数ペア:

[(1, 90515900), (2, 45257950), (4, 22628975), (5, 18103180), (10, 9051590), (20, 4525795), (25, 3620636), (50, 1810318), (100, 905159), (137, 660700), (274, 330350), (548, 165175), (685, 132140), (1370, 66070), (2740, 33035), (3425, 26428), (6607, 13700), (6850, 13214)]