2989881382

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 4989600000

約数和(自身を除く): 1999718618

約数列:

[1, 2, 19, 29, 38, 58, 131, 139, 149, 262, 278, 298, 551, 1102, 2489, 2641, 2831, 3799, 4031, 4321, 4978, 5282, 5662, 7598, 8062, 8642, 18209, 19519, 20711, 36418, 39038, 41422, 72181, 76589, 82099, 144362, 153178, 164198, 345971, 370861, 393509, 528061, 566051, 600619, 691942, 741722, 787018, 1056122, 1132102, 1201238, 2713141, 5426282, 10033159, 10754969, 11411761, 20066318, 21509938, 22823522, 51549679, 78681089, 103099358, 157362178, 1494940691, 2989881382]

約数ペア:

[(1, 2989881382), (2, 1494940691), (19, 157362178), (29, 103099358), (38, 78681089), (58, 51549679), (131, 22823522), (139, 21509938), (149, 20066318), (262, 11411761), (278, 10754969), (298, 10033159), (551, 5426282), (1102, 2713141), (2489, 1201238), (2641, 1132102), (2831, 1056122), (3799, 787018), (4031, 741722), (4321, 691942), (4978, 600619), (5282, 566051), (5662, 528061), (7598, 393509), (8062, 370861), (8642, 345971), (18209, 164198), (19519, 153178), (20711, 144362), (36418, 82099), (39038, 76589), (41422, 72181)]