1340251640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19379}}^1$

素因数の和:19429

約数の個数: 128

約数和(自身を含む): 3907008000

約数和(自身を除く): 2566756360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1976, 2470, 2660, 3458, 3640, 4940, 5320, 6916, 8645, 9880, 13832, 17290, 19379, 34580, 38758, 69160, 77516, 96895, 135653, 155032, 193790, 251927, 271306, 368201, 387580, 503854, 542612, 678265, 736402, 775160, 1007708, 1085224, 1259635, 1356530, 1472804, 1763489, 1841005, 2015416, 2519270, 2577407, 2713060, 2945608, 3526978, 3682010, 4786613, 5038540, 5154814, 5426120, 7053956, 7364020, 8817445, 9573226, 10077080, 10309628, 12887035, 14107912, 14728040, 17634890, 19146452, 20619256, 23933065, 25774070, 33506291, 35269780, 38292904, 47866130, 51548140, 67012582, 70539560, 95732260, 103096280, 134025164, 167531455, 191464520, 268050328, 335062910, 670125820, 1340251640]

約数ペア:

[(1, 1340251640), (2, 670125820), (4, 335062910), (5, 268050328), (7, 191464520), (8, 167531455), (10, 134025164), (13, 103096280), (14, 95732260), (19, 70539560), (20, 67012582), (26, 51548140), (28, 47866130), (35, 38292904), (38, 35269780), (40, 33506291), (52, 25774070), (56, 23933065), (65, 20619256), (70, 19146452), (76, 17634890), (91, 14728040), (95, 14107912), (104, 12887035), (130, 10309628), (133, 10077080), (140, 9573226), (152, 8817445), (182, 7364020), (190, 7053956), (247, 5426120), (260, 5154814), (266, 5038540), (280, 4786613), (364, 3682010), (380, 3526978), (455, 2945608), (494, 2713060), (520, 2577407), (532, 2519270), (665, 2015416), (728, 1841005), (760, 1763489), (910, 1472804), (988, 1356530), (1064, 1259635), (1235, 1085224), (1330, 1007708), (1729, 775160), (1820, 736402), (1976, 678265), (2470, 542612), (2660, 503854), (3458, 387580), (3640, 368201), (4940, 271306), (5320, 251927), (6916, 193790), (8645, 155032), (9880, 135653), (13832, 96895), (17290, 77516), (19379, 69160), (34580, 38758)]