290035540

素因数分解:

$2^2\times 5^1\times {\mathrm{2689}}^1\times {\mathrm{5393}}^1$

素因数の和:8091

約数の個数: 24

約数和(自身を含む): 609414120

約数和(自身を除く): 319378580

約数列:

[1, 2, 4, 5, 10, 20, 2689, 5378, 5393, 10756, 10786, 13445, 21572, 26890, 26965, 53780, 53930, 107860, 14501777, 29003554, 58007108, 72508885, 145017770, 290035540]

約数ペア:

[(1, 290035540), (2, 145017770), (4, 72508885), (5, 58007108), (10, 29003554), (20, 14501777), (2689, 107860), (5378, 53930), (5393, 53780), (10756, 26965), (10786, 26890), (13445, 21572)]