218940724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 429451008

約数和(自身を除く): 210510284

約数列:

[1, 2, 4, 19, 31, 38, 62, 67, 73, 76, 124, 134, 146, 268, 292, 361, 589, 722, 1178, 1273, 1387, 1444, 2077, 2263, 2356, 2546, 2774, 4154, 4526, 4891, 5092, 5548, 8308, 9052, 9782, 11191, 19564, 22382, 24187, 26353, 39463, 42997, 44764, 48374, 52706, 78926, 85994, 92929, 96748, 105412, 151621, 157852, 171988, 185858, 303242, 371716, 606484, 749797, 816943, 1499594, 1633886, 1765651, 2880799, 2999188, 3267772, 3531302, 5761598, 7062604, 11523196, 54735181, 109470362, 218940724]

約数ペア:

[(1, 218940724), (2, 109470362), (4, 54735181), (19, 11523196), (31, 7062604), (38, 5761598), (62, 3531302), (67, 3267772), (73, 2999188), (76, 2880799), (124, 1765651), (134, 1633886), (146, 1499594), (268, 816943), (292, 749797), (361, 606484), (589, 371716), (722, 303242), (1178, 185858), (1273, 171988), (1387, 157852), (1444, 151621), (2077, 105412), (2263, 96748), (2356, 92929), (2546, 85994), (2774, 78926), (4154, 52706), (4526, 48374), (4891, 44764), (5092, 42997), (5548, 39463), (8308, 26353), (9052, 24187), (9782, 22382), (11191, 19564)]