388209420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2156719}}^1$

素因数の和:2156734

約数の個数: 36

約数和(自身を含む): 1177569120

約数和(自身を除く): 789359700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2156719, 4313438, 6470157, 8626876, 10783595, 12940314, 19410471, 21567190, 25880628, 32350785, 38820942, 43134380, 64701570, 77641884, 97052355, 129403140, 194104710, 388209420]

約数ペア:

[(1, 388209420), (2, 194104710), (3, 129403140), (4, 97052355), (5, 77641884), (6, 64701570), (9, 43134380), (10, 38820942), (12, 32350785), (15, 25880628), (18, 21567190), (20, 19410471), (30, 12940314), (36, 10783595), (45, 8626876), (60, 6470157), (90, 4313438), (180, 2156719)]