2028308975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{7691}}^1$

素因数の和:7856

約数の個数: 48

約数和(自身を含む): 3159012096

約数和(自身を除く): 1130703121

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 137, 175, 275, 385, 685, 959, 1507, 1925, 3425, 4795, 7535, 7691, 10549, 23975, 37675, 38455, 52745, 53837, 84601, 192275, 263725, 269185, 423005, 592207, 1053667, 1345925, 2115025, 2961035, 5268335, 7375669, 11590337, 14805175, 26341675, 36878345, 57951685, 81132359, 184391725, 289758425, 405661795, 2028308975]

約数ペア:

[(1, 2028308975), (5, 405661795), (7, 289758425), (11, 184391725), (25, 81132359), (35, 57951685), (55, 36878345), (77, 26341675), (137, 14805175), (175, 11590337), (275, 7375669), (385, 5268335), (685, 2961035), (959, 2115025), (1507, 1345925), (1925, 1053667), (3425, 592207), (4795, 423005), (7535, 269185), (7691, 263725), (10549, 192275), (23975, 84601), (37675, 53837), (38455, 52745)]