400880128

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:178

約数の個数: 160

約数和(自身を含む): 954581760

約数和(自身を除く): 553701632

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 53, 64, 68, 79, 88, 106, 128, 136, 158, 176, 187, 212, 256, 272, 316, 352, 374, 424, 512, 544, 583, 632, 704, 748, 848, 869, 901, 1088, 1166, 1264, 1343, 1408, 1496, 1696, 1738, 1802, 2176, 2332, 2528, 2686, 2816, 2992, 3392, 3476, 3604, 4187, 4352, 4664, 5056, 5372, 5632, 5984, 6784, 6952, 7208, 8374, 8704, 9328, 9911, 10112, 10744, 11968, 13568, 13904, 14416, 14773, 16748, 18656, 19822, 20224, 21488, 23936, 27136, 27808, 28832, 29546, 33496, 37312, 39644, 40448, 42976, 46057, 47872, 55616, 57664, 59092, 66992, 71179, 74624, 79288, 85952, 92114, 95744, 111232, 115328, 118184, 133984, 142358, 149248, 158576, 171904, 184228, 222464, 230656, 236368, 267968, 284716, 298496, 317152, 343808, 368456, 444928, 461312, 472736, 535936, 569432, 634304, 687616, 736912, 782969, 945472, 1071872, 1138864, 1268608, 1473824, 1565938, 1890944, 2143744, 2277728, 2537216, 2947648, 3131876, 3781888, 4555456, 5074432, 5895296, 6263752, 7563776, 9110912, 11790592, 12527504, 18221824, 23581184, 25055008, 36443648, 50110016, 100220032, 200440064, 400880128]

約数ペア:

[(1, 400880128), (2, 200440064), (4, 100220032), (8, 50110016), (11, 36443648), (16, 25055008), (17, 23581184), (22, 18221824), (32, 12527504), (34, 11790592), (44, 9110912), (53, 7563776), (64, 6263752), (68, 5895296), (79, 5074432), (88, 4555456), (106, 3781888), (128, 3131876), (136, 2947648), (158, 2537216), (176, 2277728), (187, 2143744), (212, 1890944), (256, 1565938), (272, 1473824), (316, 1268608), (352, 1138864), (374, 1071872), (424, 945472), (512, 782969), (544, 736912), (583, 687616), (632, 634304), (704, 569432), (748, 535936), (848, 472736), (869, 461312), (901, 444928), (1088, 368456), (1166, 343808), (1264, 317152), (1343, 298496), (1408, 284716), (1496, 267968), (1696, 236368), (1738, 230656), (1802, 222464), (2176, 184228), (2332, 171904), (2528, 158576), (2686, 149248), (2816, 142358), (2992, 133984), (3392, 118184), (3476, 115328), (3604, 111232), (4187, 95744), (4352, 92114), (4664, 85952), (5056, 79288), (5372, 74624), (5632, 71179), (5984, 66992), (6784, 59092), (6952, 57664), (7208, 55616), (8374, 47872), (8704, 46057), (9328, 42976), (9911, 40448), (10112, 39644), (10744, 37312), (11968, 33496), (13568, 29546), (13904, 28832), (14416, 27808), (14773, 27136), (16748, 23936), (18656, 21488), (19822, 20224)]