161802260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{475889}}^1$

素因数の和:475915

約数の個数: 24

約数和(自身を含む): 359772840

約数和(自身を除く): 197970580

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 475889, 951778, 1903556, 2379445, 4758890, 8090113, 9517780, 16180226, 32360452, 40450565, 80901130, 161802260]

約数ペア:

[(1, 161802260), (2, 80901130), (4, 40450565), (5, 32360452), (10, 16180226), (17, 9517780), (20, 8090113), (34, 4758890), (68, 2379445), (85, 1903556), (170, 951778), (340, 475889)]