28054663980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{688627}}^1$

素因数の和:688743

約数の個数: 96

約数和(自身を含む): 90700571136

約数和(自身を除く): 62645907156

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 97, 105, 140, 194, 210, 291, 388, 420, 485, 582, 679, 970, 1164, 1358, 1455, 1940, 2037, 2716, 2910, 3395, 4074, 5820, 6790, 8148, 10185, 13580, 20370, 40740, 688627, 1377254, 2065881, 2754508, 3443135, 4131762, 4820389, 6886270, 8263524, 9640778, 10329405, 13772540, 14461167, 19281556, 20658810, 24101945, 28922334, 41317620, 48203890, 57844668, 66796819, 72305835, 96407780, 133593638, 144611670, 200390457, 267187276, 289223340, 333984095, 400780914, 467577733, 667968190, 801561828, 935155466, 1001952285, 1335936380, 1402733199, 1870310932, 2003904570, 2337888665, 2805466398, 4007809140, 4675777330, 5610932796, 7013665995, 9351554660, 14027331990, 28054663980]

約数ペア:

[(1, 28054663980), (2, 14027331990), (3, 9351554660), (4, 7013665995), (5, 5610932796), (6, 4675777330), (7, 4007809140), (10, 2805466398), (12, 2337888665), (14, 2003904570), (15, 1870310932), (20, 1402733199), (21, 1335936380), (28, 1001952285), (30, 935155466), (35, 801561828), (42, 667968190), (60, 467577733), (70, 400780914), (84, 333984095), (97, 289223340), (105, 267187276), (140, 200390457), (194, 144611670), (210, 133593638), (291, 96407780), (388, 72305835), (420, 66796819), (485, 57844668), (582, 48203890), (679, 41317620), (970, 28922334), (1164, 24101945), (1358, 20658810), (1455, 19281556), (1940, 14461167), (2037, 13772540), (2716, 10329405), (2910, 9640778), (3395, 8263524), (4074, 6886270), (5820, 4820389), (6790, 4131762), (8148, 3443135), (10185, 2754508), (13580, 2065881), (20370, 1377254), (40740, 688627)]