7898888240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1237}}^1\times {\mathrm{4201}}^1$

素因数の和:5470

約数の個数: 80

約数和(自身を含む): 19351722720

約数和(自身を除く): 11452834480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1237, 1520, 2474, 4201, 4948, 6185, 8402, 9896, 12370, 16804, 19792, 21005, 23503, 24740, 33608, 42010, 47006, 49480, 67216, 79819, 84020, 94012, 98960, 117515, 159638, 168040, 188024, 235030, 319276, 336080, 376048, 399095, 470060, 638552, 798190, 940120, 1277104, 1596380, 1880240, 3192760, 5196637, 6385520, 10393274, 20786548, 25983185, 41573096, 51966370, 83146192, 98736103, 103932740, 197472206, 207865480, 394944412, 415730960, 493680515, 789888824, 987361030, 1579777648, 1974722060, 3949444120, 7898888240]

約数ペア:

[(1, 7898888240), (2, 3949444120), (4, 1974722060), (5, 1579777648), (8, 987361030), (10, 789888824), (16, 493680515), (19, 415730960), (20, 394944412), (38, 207865480), (40, 197472206), (76, 103932740), (80, 98736103), (95, 83146192), (152, 51966370), (190, 41573096), (304, 25983185), (380, 20786548), (760, 10393274), (1237, 6385520), (1520, 5196637), (2474, 3192760), (4201, 1880240), (4948, 1596380), (6185, 1277104), (8402, 940120), (9896, 798190), (12370, 638552), (16804, 470060), (19792, 399095), (21005, 376048), (23503, 336080), (24740, 319276), (33608, 235030), (42010, 188024), (47006, 168040), (49480, 159638), (67216, 117515), (79819, 98960), (84020, 94012)]