254294784

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:235

約数の個数: 216

約数和(自身を含む): 797691440

約数和(自身を除く): 543396656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 37, 38, 48, 57, 64, 72, 74, 76, 96, 111, 114, 128, 144, 148, 152, 157, 171, 192, 222, 228, 256, 288, 296, 304, 314, 333, 342, 384, 444, 456, 471, 576, 592, 608, 628, 666, 684, 703, 768, 888, 912, 942, 1152, 1184, 1216, 1256, 1332, 1368, 1406, 1413, 1776, 1824, 1884, 2109, 2304, 2368, 2432, 2512, 2664, 2736, 2812, 2826, 2983, 3552, 3648, 3768, 4218, 4736, 4864, 5024, 5328, 5472, 5624, 5652, 5809, 5966, 6327, 7104, 7296, 7536, 8436, 8949, 9472, 10048, 10656, 10944, 11248, 11304, 11618, 11932, 12654, 14208, 14592, 15072, 16872, 17427, 17898, 20096, 21312, 21888, 22496, 22608, 23236, 23864, 25308, 26847, 28416, 30144, 33744, 34854, 35796, 40192, 42624, 43776, 44992, 45216, 46472, 47728, 50616, 52281, 53694, 60288, 67488, 69708, 71592, 85248, 89984, 90432, 92944, 95456, 101232, 104562, 107388, 110371, 120576, 134976, 139416, 143184, 179968, 180864, 185888, 190912, 202464, 209124, 214776, 220742, 269952, 278832, 286368, 331113, 361728, 371776, 381824, 404928, 418248, 429552, 441484, 539904, 557664, 572736, 662226, 743552, 763648, 809856, 836496, 859104, 882968, 993339, 1115328, 1145472, 1324452, 1487104, 1619712, 1672992, 1718208, 1765936, 1986678, 2230656, 2290944, 2648904, 3345984, 3436416, 3531872, 3973356, 4461312, 5297808, 6691968, 6872832, 7063744, 7946712, 10595616, 13383936, 14127488, 15893424, 21191232, 28254976, 31786848, 42382464, 63573696, 84764928, 127147392, 254294784]

約数ペア:

[(1, 254294784), (2, 127147392), (3, 84764928), (4, 63573696), (6, 42382464), (8, 31786848), (9, 28254976), (12, 21191232), (16, 15893424), (18, 14127488), (19, 13383936), (24, 10595616), (32, 7946712), (36, 7063744), (37, 6872832), (38, 6691968), (48, 5297808), (57, 4461312), (64, 3973356), (72, 3531872), (74, 3436416), (76, 3345984), (96, 2648904), (111, 2290944), (114, 2230656), (128, 1986678), (144, 1765936), (148, 1718208), (152, 1672992), (157, 1619712), (171, 1487104), (192, 1324452), (222, 1145472), (228, 1115328), (256, 993339), (288, 882968), (296, 859104), (304, 836496), (314, 809856), (333, 763648), (342, 743552), (384, 662226), (444, 572736), (456, 557664), (471, 539904), (576, 441484), (592, 429552), (608, 418248), (628, 404928), (666, 381824), (684, 371776), (703, 361728), (768, 331113), (888, 286368), (912, 278832), (942, 269952), (1152, 220742), (1184, 214776), (1216, 209124), (1256, 202464), (1332, 190912), (1368, 185888), (1406, 180864), (1413, 179968), (1776, 143184), (1824, 139416), (1884, 134976), (2109, 120576), (2304, 110371), (2368, 107388), (2432, 104562), (2512, 101232), (2664, 95456), (2736, 92944), (2812, 90432), (2826, 89984), (2983, 85248), (3552, 71592), (3648, 69708), (3768, 67488), (4218, 60288), (4736, 53694), (4864, 52281), (5024, 50616), (5328, 47728), (5472, 46472), (5624, 45216), (5652, 44992), (5809, 43776), (5966, 42624), (6327, 40192), (7104, 35796), (7296, 34854), (7536, 33744), (8436, 30144), (8949, 28416), (9472, 26847), (10048, 25308), (10656, 23864), (10944, 23236), (11248, 22608), (11304, 22496), (11618, 21888), (11932, 21312), (12654, 20096), (14208, 17898), (14592, 17427), (15072, 16872)]