496494740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{21757}}^1$

素因数の和:21936

約数の個数: 48

約数和(自身を含む): 1198952832

約数和(自身を除く): 702458092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 21757, 22820, 43514, 87028, 108785, 152299, 217570, 304598, 435140, 609196, 761495, 1522990, 3045980, 3546391, 7092782, 14185564, 17731955, 24824737, 35463910, 49649474, 70927820, 99298948, 124123685, 248247370, 496494740]

約数ペア:

[(1, 496494740), (2, 248247370), (4, 124123685), (5, 99298948), (7, 70927820), (10, 49649474), (14, 35463910), (20, 24824737), (28, 17731955), (35, 14185564), (70, 7092782), (140, 3546391), (163, 3045980), (326, 1522990), (652, 761495), (815, 609196), (1141, 435140), (1630, 304598), (2282, 217570), (3260, 152299), (4564, 108785), (5705, 87028), (11410, 43514), (21757, 22820)]