208869888

素因数分解:

$2^9\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:478

約数の個数: 160

約数和(自身を含む): 621656640

約数和(自身を除く): 412786752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 19, 24, 32, 34, 38, 48, 51, 57, 64, 68, 76, 96, 102, 114, 128, 136, 152, 192, 204, 228, 256, 272, 304, 323, 384, 408, 421, 456, 512, 544, 608, 646, 768, 816, 842, 912, 969, 1088, 1216, 1263, 1292, 1536, 1632, 1684, 1824, 1938, 2176, 2432, 2526, 2584, 3264, 3368, 3648, 3876, 4352, 4864, 5052, 5168, 6528, 6736, 7157, 7296, 7752, 7999, 8704, 9728, 10104, 10336, 13056, 13472, 14314, 14592, 15504, 15998, 20208, 20672, 21471, 23997, 26112, 26944, 28628, 29184, 31008, 31996, 40416, 41344, 42942, 47994, 53888, 57256, 62016, 63992, 80832, 82688, 85884, 95988, 107776, 114512, 124032, 127984, 135983, 161664, 165376, 171768, 191976, 215552, 229024, 248064, 255968, 271966, 323328, 343536, 383952, 407949, 458048, 496128, 511936, 543932, 646656, 687072, 767904, 815898, 916096, 1023872, 1087864, 1374144, 1535808, 1631796, 1832192, 2047744, 2175728, 2748288, 3071616, 3263592, 3664384, 4095488, 4351456, 5496576, 6143232, 6527184, 8702912, 10993152, 12286464, 13054368, 17405824, 26108736, 34811648, 52217472, 69623296, 104434944, 208869888]

約数ペア:

[(1, 208869888), (2, 104434944), (3, 69623296), (4, 52217472), (6, 34811648), (8, 26108736), (12, 17405824), (16, 13054368), (17, 12286464), (19, 10993152), (24, 8702912), (32, 6527184), (34, 6143232), (38, 5496576), (48, 4351456), (51, 4095488), (57, 3664384), (64, 3263592), (68, 3071616), (76, 2748288), (96, 2175728), (102, 2047744), (114, 1832192), (128, 1631796), (136, 1535808), (152, 1374144), (192, 1087864), (204, 1023872), (228, 916096), (256, 815898), (272, 767904), (304, 687072), (323, 646656), (384, 543932), (408, 511936), (421, 496128), (456, 458048), (512, 407949), (544, 383952), (608, 343536), (646, 323328), (768, 271966), (816, 255968), (842, 248064), (912, 229024), (969, 215552), (1088, 191976), (1216, 171768), (1263, 165376), (1292, 161664), (1536, 135983), (1632, 127984), (1684, 124032), (1824, 114512), (1938, 107776), (2176, 95988), (2432, 85884), (2526, 82688), (2584, 80832), (3264, 63992), (3368, 62016), (3648, 57256), (3876, 53888), (4352, 47994), (4864, 42942), (5052, 41344), (5168, 40416), (6528, 31996), (6736, 31008), (7157, 29184), (7296, 28628), (7752, 26944), (7999, 26112), (8704, 23997), (9728, 21471), (10104, 20672), (10336, 20208), (13056, 15998), (13472, 15504), (14314, 14592)]