212346456

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:681

約数の個数: 128

約数和(自身を含む): 648000000

約数和(自身を除く): 435653544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 51, 56, 68, 84, 102, 119, 136, 149, 168, 204, 238, 298, 357, 408, 447, 476, 499, 596, 714, 894, 952, 998, 1043, 1192, 1428, 1497, 1788, 1996, 2086, 2533, 2856, 2994, 3129, 3493, 3576, 3992, 4172, 5066, 5988, 6258, 6986, 7599, 8344, 8483, 10132, 10479, 11976, 12516, 13972, 15198, 16966, 17731, 20264, 20958, 25032, 25449, 27944, 30396, 33932, 35462, 41916, 50898, 53193, 59381, 60792, 67864, 70924, 74351, 83832, 101796, 106386, 118762, 141848, 148702, 178143, 203592, 212772, 223053, 237524, 297404, 356286, 425544, 446106, 475048, 520457, 594808, 712572, 892212, 1040914, 1263967, 1425144, 1561371, 1784424, 2081828, 2527934, 3122742, 3791901, 4163656, 5055868, 6245484, 7583802, 8847769, 10111736, 12490968, 15167604, 17695538, 26543307, 30335208, 35391076, 53086614, 70782152, 106173228, 212346456]

約数ペア:

[(1, 212346456), (2, 106173228), (3, 70782152), (4, 53086614), (6, 35391076), (7, 30335208), (8, 26543307), (12, 17695538), (14, 15167604), (17, 12490968), (21, 10111736), (24, 8847769), (28, 7583802), (34, 6245484), (42, 5055868), (51, 4163656), (56, 3791901), (68, 3122742), (84, 2527934), (102, 2081828), (119, 1784424), (136, 1561371), (149, 1425144), (168, 1263967), (204, 1040914), (238, 892212), (298, 712572), (357, 594808), (408, 520457), (447, 475048), (476, 446106), (499, 425544), (596, 356286), (714, 297404), (894, 237524), (952, 223053), (998, 212772), (1043, 203592), (1192, 178143), (1428, 148702), (1497, 141848), (1788, 118762), (1996, 106386), (2086, 101796), (2533, 83832), (2856, 74351), (2994, 70924), (3129, 67864), (3493, 60792), (3576, 59381), (3992, 53193), (4172, 50898), (5066, 41916), (5988, 35462), (6258, 33932), (6986, 30396), (7599, 27944), (8344, 25449), (8483, 25032), (10132, 20958), (10479, 20264), (11976, 17731), (12516, 16966), (13972, 15198)]