15214778860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:811

約数の個数: 96

約数和(自身を含む): 32885854848

約数和(自身を除く): 17671075988

約数列:

[1, 2, 4, 5, 10, 20, 71, 137, 142, 197, 274, 284, 355, 394, 397, 548, 685, 710, 788, 794, 985, 1370, 1420, 1588, 1970, 1985, 2740, 3940, 3970, 7940, 9727, 13987, 19454, 26989, 27974, 28187, 38908, 48635, 53978, 54389, 55948, 56374, 69935, 78209, 97270, 107956, 108778, 112748, 134945, 139870, 140935, 156418, 194540, 217556, 269890, 271945, 279740, 281870, 312836, 391045, 539780, 543890, 563740, 782090, 1087780, 1564180, 1916219, 3832438, 3861619, 5552839, 7664876, 7723238, 9581095, 10714633, 11105678, 15446476, 19162190, 19308095, 21429266, 22211356, 27764195, 38324380, 38616190, 42858532, 53573165, 55528390, 77232380, 107146330, 111056780, 214292660, 760738943, 1521477886, 3042955772, 3803694715, 7607389430, 15214778860]

約数ペア:

[(1, 15214778860), (2, 7607389430), (4, 3803694715), (5, 3042955772), (10, 1521477886), (20, 760738943), (71, 214292660), (137, 111056780), (142, 107146330), (197, 77232380), (274, 55528390), (284, 53573165), (355, 42858532), (394, 38616190), (397, 38324380), (548, 27764195), (685, 22211356), (710, 21429266), (788, 19308095), (794, 19162190), (985, 15446476), (1370, 11105678), (1420, 10714633), (1588, 9581095), (1970, 7723238), (1985, 7664876), (2740, 5552839), (3940, 3861619), (3970, 3832438), (7940, 1916219), (9727, 1564180), (13987, 1087780), (19454, 782090), (26989, 563740), (27974, 543890), (28187, 539780), (38908, 391045), (48635, 312836), (53978, 281870), (54389, 279740), (55948, 271945), (56374, 269890), (69935, 217556), (78209, 194540), (97270, 156418), (107956, 140935), (108778, 139870), (112748, 134945)]