213654820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{464467}}^1$

素因数の和:464499

約数の個数: 24

約数和(自身を含む): 468183744

約数和(自身を除く): 254528924

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 464467, 928934, 1857868, 2322335, 4644670, 9289340, 10682741, 21365482, 42730964, 53413705, 106827410, 213654820]

約数ペア:

[(1, 213654820), (2, 106827410), (4, 53413705), (5, 42730964), (10, 21365482), (20, 10682741), (23, 9289340), (46, 4644670), (92, 2322335), (115, 1857868), (230, 928934), (460, 464467)]