398481072

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:232

約数の個数: 240

約数和(自身を含む): 1250753280

約数和(自身を除く): 852272208

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 19, 22, 23, 24, 33, 38, 44, 46, 48, 57, 66, 69, 76, 88, 92, 114, 121, 132, 138, 152, 157, 176, 184, 209, 228, 242, 253, 264, 276, 304, 314, 363, 368, 418, 437, 456, 471, 484, 506, 528, 552, 627, 628, 726, 759, 836, 874, 912, 942, 968, 1012, 1104, 1254, 1256, 1311, 1452, 1518, 1672, 1727, 1748, 1884, 1936, 2024, 2299, 2508, 2512, 2622, 2783, 2904, 2983, 3036, 3344, 3454, 3496, 3611, 3768, 4048, 4598, 4807, 5016, 5181, 5244, 5566, 5808, 5966, 6072, 6897, 6908, 6992, 7222, 7536, 8349, 8949, 9196, 9614, 10032, 10362, 10488, 10833, 11132, 11932, 12144, 13794, 13816, 14421, 14444, 16698, 17898, 18392, 18997, 19228, 20724, 20976, 21666, 22264, 23864, 27588, 27632, 28842, 28888, 32813, 33396, 35796, 36784, 37994, 38456, 39721, 41448, 43332, 44528, 47728, 52877, 55176, 56991, 57684, 57776, 65626, 66792, 68609, 71592, 75988, 76912, 79442, 82896, 86664, 98439, 105754, 110352, 113982, 115368, 119163, 131252, 133584, 137218, 143184, 151976, 158631, 158884, 173328, 196878, 205827, 211508, 227964, 230736, 238326, 262504, 274436, 303952, 317262, 317768, 360943, 393756, 411654, 423016, 436931, 455928, 476652, 525008, 548872, 634524, 635536, 721886, 754699, 787512, 823308, 846032, 873862, 911856, 953304, 1082829, 1097744, 1269048, 1310793, 1443772, 1509398, 1575024, 1646616, 1747724, 1906608, 2165658, 2264097, 2538096, 2621586, 2887544, 3018796, 3293232, 3495448, 4331316, 4528194, 5243172, 5775088, 6037592, 6990896, 8301689, 8662632, 9056388, 10486344, 12075184, 16603378, 17325264, 18112776, 20972688, 24905067, 33206756, 36225552, 49810134, 66413512, 99620268, 132827024, 199240536, 398481072]

約数ペア:

[(1, 398481072), (2, 199240536), (3, 132827024), (4, 99620268), (6, 66413512), (8, 49810134), (11, 36225552), (12, 33206756), (16, 24905067), (19, 20972688), (22, 18112776), (23, 17325264), (24, 16603378), (33, 12075184), (38, 10486344), (44, 9056388), (46, 8662632), (48, 8301689), (57, 6990896), (66, 6037592), (69, 5775088), (76, 5243172), (88, 4528194), (92, 4331316), (114, 3495448), (121, 3293232), (132, 3018796), (138, 2887544), (152, 2621586), (157, 2538096), (176, 2264097), (184, 2165658), (209, 1906608), (228, 1747724), (242, 1646616), (253, 1575024), (264, 1509398), (276, 1443772), (304, 1310793), (314, 1269048), (363, 1097744), (368, 1082829), (418, 953304), (437, 911856), (456, 873862), (471, 846032), (484, 823308), (506, 787512), (528, 754699), (552, 721886), (627, 635536), (628, 634524), (726, 548872), (759, 525008), (836, 476652), (874, 455928), (912, 436931), (942, 423016), (968, 411654), (1012, 393756), (1104, 360943), (1254, 317768), (1256, 317262), (1311, 303952), (1452, 274436), (1518, 262504), (1672, 238326), (1727, 230736), (1748, 227964), (1884, 211508), (1936, 205827), (2024, 196878), (2299, 173328), (2508, 158884), (2512, 158631), (2622, 151976), (2783, 143184), (2904, 137218), (2983, 133584), (3036, 131252), (3344, 119163), (3454, 115368), (3496, 113982), (3611, 110352), (3768, 105754), (4048, 98439), (4598, 86664), (4807, 82896), (5016, 79442), (5181, 76912), (5244, 75988), (5566, 71592), (5808, 68609), (5966, 66792), (6072, 65626), (6897, 57776), (6908, 57684), (6992, 56991), (7222, 55176), (7536, 52877), (8349, 47728), (8949, 44528), (9196, 43332), (9614, 41448), (10032, 39721), (10362, 38456), (10488, 37994), (10833, 36784), (11132, 35796), (11932, 33396), (12144, 32813), (13794, 28888), (13816, 28842), (14421, 27632), (14444, 27588), (16698, 23864), (17898, 22264), (18392, 21666), (18997, 20976), (19228, 20724)]