277203388

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 664191360

約数和(自身を除く): 386987972

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 67, 76, 77, 98, 101, 133, 134, 154, 196, 202, 209, 266, 268, 308, 404, 418, 469, 532, 539, 707, 737, 836, 931, 938, 1078, 1111, 1273, 1414, 1463, 1474, 1862, 1876, 1919, 2156, 2222, 2546, 2828, 2926, 2948, 3283, 3724, 3838, 4444, 4949, 5092, 5159, 5852, 6566, 6767, 7676, 7777, 8911, 9898, 10241, 10318, 13132, 13433, 13534, 14003, 15554, 17822, 19796, 20482, 20636, 21109, 26866, 27068, 28006, 31108, 35644, 36113, 40964, 42218, 47369, 53732, 54439, 56012, 62377, 72226, 74437, 84436, 94031, 94738, 98021, 108878, 124754, 128573, 144452, 147763, 148874, 188062, 189476, 196042, 217756, 249508, 257146, 295526, 297748, 331583, 376124, 392084, 514292, 521059, 591052, 663166, 686147, 900011, 1034341, 1042118, 1326332, 1372294, 1414303, 1800022, 2068682, 2084236, 2744588, 2828606, 3600044, 3647413, 4137364, 5657212, 6300077, 7294826, 9900121, 12600154, 14589652, 19800242, 25200308, 39600484, 69300847, 138601694, 277203388]

約数ペア:

[(1, 277203388), (2, 138601694), (4, 69300847), (7, 39600484), (11, 25200308), (14, 19800242), (19, 14589652), (22, 12600154), (28, 9900121), (38, 7294826), (44, 6300077), (49, 5657212), (67, 4137364), (76, 3647413), (77, 3600044), (98, 2828606), (101, 2744588), (133, 2084236), (134, 2068682), (154, 1800022), (196, 1414303), (202, 1372294), (209, 1326332), (266, 1042118), (268, 1034341), (308, 900011), (404, 686147), (418, 663166), (469, 591052), (532, 521059), (539, 514292), (707, 392084), (737, 376124), (836, 331583), (931, 297748), (938, 295526), (1078, 257146), (1111, 249508), (1273, 217756), (1414, 196042), (1463, 189476), (1474, 188062), (1862, 148874), (1876, 147763), (1919, 144452), (2156, 128573), (2222, 124754), (2546, 108878), (2828, 98021), (2926, 94738), (2948, 94031), (3283, 84436), (3724, 74437), (3838, 72226), (4444, 62377), (4949, 56012), (5092, 54439), (5159, 53732), (5852, 47369), (6566, 42218), (6767, 40964), (7676, 36113), (7777, 35644), (8911, 31108), (9898, 28006), (10241, 27068), (10318, 26866), (13132, 21109), (13433, 20636), (13534, 20482), (14003, 19796), (15554, 17822)]