90796400

素因数分解:

$2^4\times 5^2\times {\mathrm{226991}}^1$

素因数の和:227009

約数の個数: 30

約数和(自身を含む): 218139312

約数和(自身を除く): 127342912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 226991, 453982, 907964, 1134955, 1815928, 2269910, 3631856, 4539820, 5674775, 9079640, 11349550, 18159280, 22699100, 45398200, 90796400]

約数ペア:

[(1, 90796400), (2, 45398200), (4, 22699100), (5, 18159280), (8, 11349550), (10, 9079640), (16, 5674775), (20, 4539820), (25, 3631856), (40, 2269910), (50, 1815928), (80, 1134955), (100, 907964), (200, 453982), (400, 226991)]