172321828

素因数分解:

$2^2\times 7^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 374976000

約数和(自身を除く): 202654172

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 61, 71, 98, 116, 122, 142, 196, 203, 244, 284, 343, 406, 427, 497, 686, 812, 854, 994, 1372, 1421, 1708, 1769, 1988, 2059, 2842, 2989, 3479, 3538, 4118, 4331, 5684, 5978, 6958, 7076, 8236, 8662, 9947, 11956, 12383, 13916, 14413, 17324, 19894, 20923, 24353, 24766, 28826, 30317, 39788, 41846, 48706, 49532, 57652, 60634, 83692, 86681, 97412, 100891, 121268, 125599, 173362, 201782, 212219, 251198, 346724, 403564, 424438, 502396, 606767, 706237, 848876, 879193, 1213534, 1412474, 1485533, 1758386, 2427068, 2824948, 2971066, 3516772, 5942132, 6154351, 12308702, 24617404, 43080457, 86160914, 172321828]

約数ペア:

[(1, 172321828), (2, 86160914), (4, 43080457), (7, 24617404), (14, 12308702), (28, 6154351), (29, 5942132), (49, 3516772), (58, 2971066), (61, 2824948), (71, 2427068), (98, 1758386), (116, 1485533), (122, 1412474), (142, 1213534), (196, 879193), (203, 848876), (244, 706237), (284, 606767), (343, 502396), (406, 424438), (427, 403564), (497, 346724), (686, 251198), (812, 212219), (854, 201782), (994, 173362), (1372, 125599), (1421, 121268), (1708, 100891), (1769, 97412), (1988, 86681), (2059, 83692), (2842, 60634), (2989, 57652), (3479, 49532), (3538, 48706), (4118, 41846), (4331, 39788), (5684, 30317), (5978, 28826), (6958, 24766), (7076, 24353), (8236, 20923), (8662, 19894), (9947, 17324), (11956, 14413), (12383, 13916)]