198161820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1100899}}^1$

素因数の和:1100914

約数の個数: 36

約数和(自身を含む): 601091400

約数和(自身を除く): 402929580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1100899, 2201798, 3302697, 4403596, 5504495, 6605394, 9908091, 11008990, 13210788, 16513485, 19816182, 22017980, 33026970, 39632364, 49540455, 66053940, 99080910, 198161820]

約数ペア:

[(1, 198161820), (2, 99080910), (3, 66053940), (4, 49540455), (5, 39632364), (6, 33026970), (9, 22017980), (10, 19816182), (12, 16513485), (15, 13210788), (18, 11008990), (20, 9908091), (30, 6605394), (36, 5504495), (45, 4403596), (60, 3302697), (90, 2201798), (180, 1100899)]