208065420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1155919}}^1$

素因数の和:1155934

約数の個数: 36

約数和(自身を含む): 631132320

約数和(自身を除く): 423066900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1155919, 2311838, 3467757, 4623676, 5779595, 6935514, 10403271, 11559190, 13871028, 17338785, 20806542, 23118380, 34677570, 41613084, 52016355, 69355140, 104032710, 208065420]

約数ペア:

[(1, 208065420), (2, 104032710), (3, 69355140), (4, 52016355), (5, 41613084), (6, 34677570), (9, 23118380), (10, 20806542), (12, 17338785), (15, 13871028), (18, 11559190), (20, 10403271), (30, 6935514), (36, 5779595), (45, 4623676), (60, 3467757), (90, 2311838), (180, 1155919)]