28500228

素因数分解:

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

素因数の和:111

約数の個数: 144

約数和(自身を含む): 84490560

約数和(自身を除く): 55990332

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 19, 27, 34, 36, 38, 43, 51, 54, 57, 68, 76, 86, 102, 108, 114, 129, 153, 171, 172, 204, 228, 258, 306, 323, 342, 361, 387, 459, 513, 516, 612, 646, 684, 722, 731, 774, 817, 918, 969, 1026, 1083, 1161, 1292, 1444, 1462, 1548, 1634, 1836, 1938, 2052, 2166, 2193, 2322, 2451, 2907, 2924, 3249, 3268, 3876, 4332, 4386, 4644, 4902, 5814, 6137, 6498, 6579, 7353, 8721, 8772, 9747, 9804, 11628, 12274, 12996, 13158, 13889, 14706, 15523, 17442, 18411, 19494, 19737, 22059, 24548, 26316, 27778, 29412, 31046, 34884, 36822, 38988, 39474, 41667, 44118, 46569, 55233, 55556, 62092, 73644, 78948, 83334, 88236, 93138, 110466, 125001, 139707, 165699, 166668, 186276, 220932, 250002, 263891, 279414, 331398, 375003, 419121, 500004, 527782, 558828, 662796, 750006, 791673, 838242, 1055564, 1500012, 1583346, 1676484, 2375019, 3166692, 4750038, 7125057, 9500076, 14250114, 28500228]

約数ペア:

[(1, 28500228), (2, 14250114), (3, 9500076), (4, 7125057), (6, 4750038), (9, 3166692), (12, 2375019), (17, 1676484), (18, 1583346), (19, 1500012), (27, 1055564), (34, 838242), (36, 791673), (38, 750006), (43, 662796), (51, 558828), (54, 527782), (57, 500004), (68, 419121), (76, 375003), (86, 331398), (102, 279414), (108, 263891), (114, 250002), (129, 220932), (153, 186276), (171, 166668), (172, 165699), (204, 139707), (228, 125001), (258, 110466), (306, 93138), (323, 88236), (342, 83334), (361, 78948), (387, 73644), (459, 62092), (513, 55556), (516, 55233), (612, 46569), (646, 44118), (684, 41667), (722, 39474), (731, 38988), (774, 36822), (817, 34884), (918, 31046), (969, 29412), (1026, 27778), (1083, 26316), (1161, 24548), (1292, 22059), (1444, 19737), (1462, 19494), (1548, 18411), (1634, 17442), (1836, 15523), (1938, 14706), (2052, 13889), (2166, 13158), (2193, 12996), (2322, 12274), (2451, 11628), (2907, 9804), (2924, 9747), (3249, 8772), (3268, 8721), (3876, 7353), (4332, 6579), (4386, 6498), (4644, 6137), (4902, 5814)]