500004

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 1441440

約数和(自身を除く): 941436

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 34, 36, 38, 43, 51, 57, 68, 76, 86, 102, 114, 129, 153, 171, 172, 204, 228, 258, 306, 323, 342, 387, 516, 612, 646, 684, 731, 774, 817, 969, 1292, 1462, 1548, 1634, 1938, 2193, 2451, 2907, 2924, 3268, 3876, 4386, 4902, 5814, 6579, 7353, 8772, 9804, 11628, 13158, 13889, 14706, 26316, 27778, 29412, 41667, 55556, 83334, 125001, 166668, 250002, 500004]

約数ペア:

[(1, 500004), (2, 250002), (3, 166668), (4, 125001), (6, 83334), (9, 55556), (12, 41667), (17, 29412), (18, 27778), (19, 26316), (34, 14706), (36, 13889), (38, 13158), (43, 11628), (51, 9804), (57, 8772), (68, 7353), (76, 6579), (86, 5814), (102, 4902), (114, 4386), (129, 3876), (153, 3268), (171, 2924), (172, 2907), (204, 2451), (228, 2193), (258, 1938), (306, 1634), (323, 1548), (342, 1462), (387, 1292), (516, 969), (612, 817), (646, 774), (684, 731)]