28490820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{474847}}^1$

素因数の和:474859

約数の個数: 24

約数和(自身を含む): 79774464

約数和(自身を除く): 51283644

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 474847, 949694, 1424541, 1899388, 2374235, 2849082, 4748470, 5698164, 7122705, 9496940, 14245410, 28490820]

約数ペア:

[(1, 28490820), (2, 14245410), (3, 9496940), (4, 7122705), (5, 5698164), (6, 4748470), (10, 2849082), (12, 2374235), (15, 1899388), (20, 1424541), (30, 949694), (60, 474847)]