399926784

素因数分解:

$2^9\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:316

約数の個数: 160

約数和(自身を含む): 1134498816

約数和(自身を除く): 734572032

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 37, 48, 62, 64, 74, 93, 96, 111, 124, 128, 148, 186, 192, 222, 227, 248, 256, 296, 372, 384, 444, 454, 496, 512, 592, 681, 744, 768, 888, 908, 992, 1147, 1184, 1362, 1488, 1536, 1776, 1816, 1984, 2294, 2368, 2724, 2976, 3441, 3552, 3632, 3968, 4588, 4736, 5448, 5952, 6882, 7037, 7104, 7264, 7936, 8399, 9176, 9472, 10896, 11904, 13764, 14074, 14208, 14528, 15872, 16798, 18352, 18944, 21111, 21792, 23808, 25197, 27528, 28148, 28416, 29056, 33596, 36704, 42222, 43584, 47616, 50394, 55056, 56296, 56832, 58112, 67192, 73408, 84444, 87168, 100788, 110112, 112592, 116224, 134384, 146816, 168888, 174336, 201576, 220224, 225184, 260369, 268768, 293632, 337776, 348672, 403152, 440448, 450368, 520738, 537536, 587264, 675552, 781107, 806304, 880896, 900736, 1041476, 1075072, 1351104, 1562214, 1612608, 1761792, 1801472, 2082952, 2150144, 2702208, 3124428, 3225216, 3602944, 4165904, 4300288, 5404416, 6248856, 6450432, 8331808, 10808832, 12497712, 12900864, 16663616, 24995424, 33327232, 49990848, 66654464, 99981696, 133308928, 199963392, 399926784]

約数ペア:

[(1, 399926784), (2, 199963392), (3, 133308928), (4, 99981696), (6, 66654464), (8, 49990848), (12, 33327232), (16, 24995424), (24, 16663616), (31, 12900864), (32, 12497712), (37, 10808832), (48, 8331808), (62, 6450432), (64, 6248856), (74, 5404416), (93, 4300288), (96, 4165904), (111, 3602944), (124, 3225216), (128, 3124428), (148, 2702208), (186, 2150144), (192, 2082952), (222, 1801472), (227, 1761792), (248, 1612608), (256, 1562214), (296, 1351104), (372, 1075072), (384, 1041476), (444, 900736), (454, 880896), (496, 806304), (512, 781107), (592, 675552), (681, 587264), (744, 537536), (768, 520738), (888, 450368), (908, 440448), (992, 403152), (1147, 348672), (1184, 337776), (1362, 293632), (1488, 268768), (1536, 260369), (1776, 225184), (1816, 220224), (1984, 201576), (2294, 174336), (2368, 168888), (2724, 146816), (2976, 134384), (3441, 116224), (3552, 112592), (3632, 110112), (3968, 100788), (4588, 87168), (4736, 84444), (5448, 73408), (5952, 67192), (6882, 58112), (7037, 56832), (7104, 56296), (7264, 55056), (7936, 50394), (8399, 47616), (9176, 43584), (9472, 42222), (10896, 36704), (11904, 33596), (13764, 29056), (14074, 28416), (14208, 28148), (14528, 27528), (15872, 25197), (16798, 23808), (18352, 21792), (18944, 21111)]