90238940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9539}}^1$

素因数の和:9602

約数の個数: 48

約数和(自身を含む): 211559040

約数和(自身を除く): 121320100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 9460, 9539, 19078, 38156, 47695, 95390, 104929, 190780, 209858, 410177, 419716, 524645, 820354, 1049290, 1640708, 2050885, 2098580, 4101770, 4511947, 8203540, 9023894, 18047788, 22559735, 45119470, 90238940]

約数ペア:

[(1, 90238940), (2, 45119470), (4, 22559735), (5, 18047788), (10, 9023894), (11, 8203540), (20, 4511947), (22, 4101770), (43, 2098580), (44, 2050885), (55, 1640708), (86, 1049290), (110, 820354), (172, 524645), (215, 419716), (220, 410177), (430, 209858), (473, 190780), (860, 104929), (946, 95390), (1892, 47695), (2365, 38156), (4730, 19078), (9460, 9539)]