318230826640

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2441}}^1\times {\mathrm{10937}}^1$

素因数の和:13540

約数の個数: 80

約数和(自身を含む): 745225628400

約数和(自身を除く): 426994801760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2441, 2980, 4882, 5960, 9764, 10937, 11920, 12205, 19528, 21874, 24410, 39056, 43748, 48820, 54685, 87496, 97640, 109370, 174992, 195280, 218740, 363709, 437480, 727418, 874960, 1454836, 1629613, 1818545, 2909672, 3259226, 3637090, 5819344, 6518452, 7274180, 8148065, 13036904, 14548360, 16296130, 26073808, 26697217, 29096720, 32592260, 53394434, 65184520, 106788868, 130369040, 133486085, 213577736, 266972170, 427155472, 533944340, 1067888680, 2135777360, 3977885333, 7955770666, 15911541332, 19889426665, 31823082664, 39778853330, 63646165328, 79557706660, 159115413320, 318230826640]

約数ペア:

[(1, 318230826640), (2, 159115413320), (4, 79557706660), (5, 63646165328), (8, 39778853330), (10, 31823082664), (16, 19889426665), (20, 15911541332), (40, 7955770666), (80, 3977885333), (149, 2135777360), (298, 1067888680), (596, 533944340), (745, 427155472), (1192, 266972170), (1490, 213577736), (2384, 133486085), (2441, 130369040), (2980, 106788868), (4882, 65184520), (5960, 53394434), (9764, 32592260), (10937, 29096720), (11920, 26697217), (12205, 26073808), (19528, 16296130), (21874, 14548360), (24410, 13036904), (39056, 8148065), (43748, 7274180), (48820, 6518452), (54685, 5819344), (87496, 3637090), (97640, 3259226), (109370, 2909672), (174992, 1818545), (195280, 1629613), (218740, 1454836), (363709, 874960), (437480, 727418)]