399849408

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:520

約数の個数: 252

約数和(自身を含む): 1379232192

約数和(自身を除く): 979382784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 49, 56, 62, 63, 64, 72, 84, 93, 96, 98, 112, 124, 126, 144, 147, 168, 186, 192, 196, 217, 224, 248, 252, 279, 288, 294, 336, 372, 392, 434, 441, 448, 457, 496, 504, 558, 576, 588, 651, 672, 744, 784, 868, 882, 914, 992, 1008, 1116, 1176, 1302, 1344, 1371, 1488, 1519, 1568, 1736, 1764, 1828, 1953, 1984, 2016, 2232, 2352, 2604, 2742, 2976, 3038, 3136, 3199, 3472, 3528, 3656, 3906, 4032, 4113, 4464, 4557, 4704, 5208, 5484, 5952, 6076, 6398, 6944, 7056, 7312, 7812, 8226, 8928, 9114, 9408, 9597, 10416, 10968, 12152, 12796, 13671, 13888, 14112, 14167, 14624, 15624, 16452, 17856, 18228, 19194, 20832, 21936, 22393, 24304, 25592, 27342, 28224, 28334, 28791, 29248, 31248, 32904, 36456, 38388, 41664, 42501, 43872, 44786, 48608, 51184, 54684, 56668, 57582, 62496, 65808, 67179, 72912, 76776, 85002, 87744, 89572, 97216, 99169, 102368, 109368, 113336, 115164, 124992, 127503, 131616, 134358, 145824, 153552, 170004, 179144, 198338, 201537, 204736, 218736, 226672, 230328, 255006, 263232, 268716, 291648, 297507, 307104, 340008, 358288, 396676, 403074, 437472, 453344, 460656, 510012, 537432, 595014, 614208, 680016, 694183, 716576, 793352, 806148, 874944, 892521, 906688, 921312, 1020024, 1074864, 1190028, 1360032, 1388366, 1433152, 1586704, 1612296, 1785042, 1842624, 2040048, 2082549, 2149728, 2380056, 2720064, 2776732, 3173408, 3224592, 3570084, 4080096, 4165098, 4299456, 4760112, 5553464, 6247647, 6346816, 6449184, 7140168, 8160192, 8330196, 9520224, 11106928, 12495294, 12898368, 14280336, 16660392, 19040448, 22213856, 24990588, 28560672, 33320784, 44427712, 49981176, 57121344, 66641568, 99962352, 133283136, 199924704, 399849408]

約数ペア:

[(1, 399849408), (2, 199924704), (3, 133283136), (4, 99962352), (6, 66641568), (7, 57121344), (8, 49981176), (9, 44427712), (12, 33320784), (14, 28560672), (16, 24990588), (18, 22213856), (21, 19040448), (24, 16660392), (28, 14280336), (31, 12898368), (32, 12495294), (36, 11106928), (42, 9520224), (48, 8330196), (49, 8160192), (56, 7140168), (62, 6449184), (63, 6346816), (64, 6247647), (72, 5553464), (84, 4760112), (93, 4299456), (96, 4165098), (98, 4080096), (112, 3570084), (124, 3224592), (126, 3173408), (144, 2776732), (147, 2720064), (168, 2380056), (186, 2149728), (192, 2082549), (196, 2040048), (217, 1842624), (224, 1785042), (248, 1612296), (252, 1586704), (279, 1433152), (288, 1388366), (294, 1360032), (336, 1190028), (372, 1074864), (392, 1020024), (434, 921312), (441, 906688), (448, 892521), (457, 874944), (496, 806148), (504, 793352), (558, 716576), (576, 694183), (588, 680016), (651, 614208), (672, 595014), (744, 537432), (784, 510012), (868, 460656), (882, 453344), (914, 437472), (992, 403074), (1008, 396676), (1116, 358288), (1176, 340008), (1302, 307104), (1344, 297507), (1371, 291648), (1488, 268716), (1519, 263232), (1568, 255006), (1736, 230328), (1764, 226672), (1828, 218736), (1953, 204736), (1984, 201537), (2016, 198338), (2232, 179144), (2352, 170004), (2604, 153552), (2742, 145824), (2976, 134358), (3038, 131616), (3136, 127503), (3199, 124992), (3472, 115164), (3528, 113336), (3656, 109368), (3906, 102368), (4032, 99169), (4113, 97216), (4464, 89572), (4557, 87744), (4704, 85002), (5208, 76776), (5484, 72912), (5952, 67179), (6076, 65808), (6398, 62496), (6944, 57582), (7056, 56668), (7312, 54684), (7812, 51184), (8226, 48608), (8928, 44786), (9114, 43872), (9408, 42501), (9597, 41664), (10416, 38388), (10968, 36456), (12152, 32904), (12796, 31248), (13671, 29248), (13888, 28791), (14112, 28334), (14167, 28224), (14624, 27342), (15624, 25592), (16452, 24304), (17856, 22393), (18228, 21936), (19194, 20832)]