420838656

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:297

約数の個数: 216

約数和(自身を含む): 1333783584

約数和(自身を除く): 912944928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 53, 56, 64, 84, 96, 98, 106, 112, 128, 147, 159, 168, 192, 196, 211, 212, 224, 256, 294, 318, 336, 371, 384, 392, 422, 424, 448, 588, 633, 636, 672, 742, 768, 784, 844, 848, 896, 1113, 1176, 1266, 1272, 1344, 1477, 1484, 1568, 1688, 1696, 1792, 2226, 2352, 2532, 2544, 2597, 2688, 2954, 2968, 3136, 3376, 3392, 4431, 4452, 4704, 5064, 5088, 5194, 5376, 5908, 5936, 6272, 6752, 6784, 7791, 8862, 8904, 9408, 10128, 10176, 10339, 10388, 11183, 11816, 11872, 12544, 13504, 13568, 15582, 17724, 17808, 18816, 20256, 20352, 20678, 20776, 22366, 23632, 23744, 27008, 31017, 31164, 33549, 35448, 35616, 37632, 40512, 40704, 41356, 41552, 44732, 47264, 47488, 54016, 62034, 62328, 67098, 70896, 71232, 78281, 81024, 82712, 83104, 89464, 94528, 94976, 124068, 124656, 134196, 141792, 142464, 156562, 162048, 165424, 166208, 178928, 189056, 234843, 248136, 249312, 268392, 283584, 284928, 313124, 330848, 332416, 357856, 378112, 469686, 496272, 498624, 536784, 547967, 567168, 626248, 661696, 664832, 715712, 939372, 992544, 997248, 1073568, 1095934, 1134336, 1252496, 1323392, 1431424, 1643901, 1878744, 1985088, 1994496, 2147136, 2191868, 2504992, 2646784, 2862848, 3287802, 3757488, 3970176, 4294272, 4383736, 5009984, 6575604, 7514976, 7940352, 8588544, 8767472, 10019968, 13151208, 15029952, 17534944, 20039936, 26302416, 30059904, 35069888, 52604832, 60119808, 70139776, 105209664, 140279552, 210419328, 420838656]

約数ペア:

[(1, 420838656), (2, 210419328), (3, 140279552), (4, 105209664), (6, 70139776), (7, 60119808), (8, 52604832), (12, 35069888), (14, 30059904), (16, 26302416), (21, 20039936), (24, 17534944), (28, 15029952), (32, 13151208), (42, 10019968), (48, 8767472), (49, 8588544), (53, 7940352), (56, 7514976), (64, 6575604), (84, 5009984), (96, 4383736), (98, 4294272), (106, 3970176), (112, 3757488), (128, 3287802), (147, 2862848), (159, 2646784), (168, 2504992), (192, 2191868), (196, 2147136), (211, 1994496), (212, 1985088), (224, 1878744), (256, 1643901), (294, 1431424), (318, 1323392), (336, 1252496), (371, 1134336), (384, 1095934), (392, 1073568), (422, 997248), (424, 992544), (448, 939372), (588, 715712), (633, 664832), (636, 661696), (672, 626248), (742, 567168), (768, 547967), (784, 536784), (844, 498624), (848, 496272), (896, 469686), (1113, 378112), (1176, 357856), (1266, 332416), (1272, 330848), (1344, 313124), (1477, 284928), (1484, 283584), (1568, 268392), (1688, 249312), (1696, 248136), (1792, 234843), (2226, 189056), (2352, 178928), (2532, 166208), (2544, 165424), (2597, 162048), (2688, 156562), (2954, 142464), (2968, 141792), (3136, 134196), (3376, 124656), (3392, 124068), (4431, 94976), (4452, 94528), (4704, 89464), (5064, 83104), (5088, 82712), (5194, 81024), (5376, 78281), (5908, 71232), (5936, 70896), (6272, 67098), (6752, 62328), (6784, 62034), (7791, 54016), (8862, 47488), (8904, 47264), (9408, 44732), (10128, 41552), (10176, 41356), (10339, 40704), (10388, 40512), (11183, 37632), (11816, 35616), (11872, 35448), (12544, 33549), (13504, 31164), (13568, 31017), (15582, 27008), (17724, 23744), (17808, 23632), (18816, 22366), (20256, 20776), (20352, 20678)]