28225470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 128

約数和(自身を含む): 85478400

約数和(自身を除く): 57252930

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 211, 245, 273, 294, 343, 390, 422, 455, 490, 546, 633, 637, 686, 735, 910, 1029, 1055, 1266, 1274, 1365, 1470, 1477, 1715, 1911, 2058, 2110, 2730, 2743, 2954, 3165, 3185, 3430, 3822, 4431, 4459, 5145, 5486, 6330, 6370, 7385, 8229, 8862, 8918, 9555, 10290, 10339, 13377, 13715, 14770, 16458, 19110, 19201, 20678, 22155, 22295, 26754, 27430, 31017, 38402, 41145, 44310, 44590, 51695, 57603, 62034, 66885, 72373, 82290, 96005, 103390, 115206, 133770, 134407, 144746, 155085, 192010, 217119, 268814, 288015, 310170, 361865, 403221, 434238, 576030, 672035, 723730, 806442, 940849, 1085595, 1344070, 1881698, 2016105, 2171190, 2822547, 4032210, 4704245, 5645094, 9408490, 14112735, 28225470]

約数ペア:

[(1, 28225470), (2, 14112735), (3, 9408490), (5, 5645094), (6, 4704245), (7, 4032210), (10, 2822547), (13, 2171190), (14, 2016105), (15, 1881698), (21, 1344070), (26, 1085595), (30, 940849), (35, 806442), (39, 723730), (42, 672035), (49, 576030), (65, 434238), (70, 403221), (78, 361865), (91, 310170), (98, 288015), (105, 268814), (130, 217119), (147, 192010), (182, 155085), (195, 144746), (210, 134407), (211, 133770), (245, 115206), (273, 103390), (294, 96005), (343, 82290), (390, 72373), (422, 66885), (455, 62034), (490, 57603), (546, 51695), (633, 44590), (637, 44310), (686, 41145), (735, 38402), (910, 31017), (1029, 27430), (1055, 26754), (1266, 22295), (1274, 22155), (1365, 20678), (1470, 19201), (1477, 19110), (1715, 16458), (1911, 14770), (2058, 13715), (2110, 13377), (2730, 10339), (2743, 10290), (2954, 9555), (3165, 8918), (3185, 8862), (3430, 8229), (3822, 7385), (4431, 6370), (4459, 6330), (5145, 5486)]