418020400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6491}}^1$

素因数の和:6539

約数の個数: 120

約数和(自身を含む): 1197851904

約数和(自身を除く): 779831504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 1840, 2300, 2576, 2800, 3220, 4025, 4600, 6440, 6491, 8050, 9200, 12880, 12982, 16100, 25964, 32200, 32455, 45437, 51928, 64400, 64910, 90874, 103856, 129820, 149293, 162275, 181748, 227185, 259640, 298586, 324550, 363496, 454370, 519280, 597172, 649100, 726992, 746465, 908740, 1045051, 1135925, 1194344, 1298200, 1492930, 1817480, 2090102, 2271850, 2388688, 2596400, 2985860, 3634960, 3732325, 4180204, 4543700, 5225255, 5971720, 7464650, 8360408, 9087400, 10450510, 11943440, 14929300, 16720816, 18174800, 20901020, 26126275, 29858600, 41802040, 52252550, 59717200, 83604080, 104505100, 209010200, 418020400]

約数ペア:

[(1, 418020400), (2, 209010200), (4, 104505100), (5, 83604080), (7, 59717200), (8, 52252550), (10, 41802040), (14, 29858600), (16, 26126275), (20, 20901020), (23, 18174800), (25, 16720816), (28, 14929300), (35, 11943440), (40, 10450510), (46, 9087400), (50, 8360408), (56, 7464650), (70, 5971720), (80, 5225255), (92, 4543700), (100, 4180204), (112, 3732325), (115, 3634960), (140, 2985860), (161, 2596400), (175, 2388688), (184, 2271850), (200, 2090102), (230, 1817480), (280, 1492930), (322, 1298200), (350, 1194344), (368, 1135925), (400, 1045051), (460, 908740), (560, 746465), (575, 726992), (644, 649100), (700, 597172), (805, 519280), (920, 454370), (1150, 363496), (1288, 324550), (1400, 298586), (1610, 259640), (1840, 227185), (2300, 181748), (2576, 162275), (2800, 149293), (3220, 129820), (4025, 103856), (4600, 90874), (6440, 64910), (6491, 64400), (8050, 51928), (9200, 45437), (12880, 32455), (12982, 32200), (16100, 25964)]