1809200

素因数分解:

$2^4\times 5^2\times {\mathrm{4523}}^1$

素因数の和:4541

約数の個数: 30

約数和(自身を含む): 4347564

約数和(自身を除く): 2538364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 4523, 9046, 18092, 22615, 36184, 45230, 72368, 90460, 113075, 180920, 226150, 361840, 452300, 904600, 1809200]

約数ペア:

[(1, 1809200), (2, 904600), (4, 452300), (5, 361840), (8, 226150), (10, 180920), (16, 113075), (20, 90460), (25, 72368), (40, 45230), (50, 36184), (80, 22615), (100, 18092), (200, 9046), (400, 4523)]