189900560

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{18691}}^1$

素因数の和:18831

約数の個数: 40

約数和(自身を含む): 445019136

約数和(自身を除く): 255118576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 18691, 37382, 74764, 93455, 149528, 186910, 299056, 373820, 747640, 1495280, 2373757, 4747514, 9495028, 11868785, 18990056, 23737570, 37980112, 47475140, 94950280, 189900560]

約数ペア:

[(1, 189900560), (2, 94950280), (4, 47475140), (5, 37980112), (8, 23737570), (10, 18990056), (16, 11868785), (20, 9495028), (40, 4747514), (80, 2373757), (127, 1495280), (254, 747640), (508, 373820), (635, 299056), (1016, 186910), (1270, 149528), (2032, 93455), (2540, 74764), (5080, 37382), (10160, 18691)]