2849884345

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{1999}}^1$

素因数の和:2075

約数の個数: 72

約数和(自身を含む): 4539024000

約数和(自身を除く): 1689139655

約数列:

[1, 5, 7, 11, 23, 35, 49, 55, 77, 115, 161, 245, 253, 385, 529, 539, 805, 1127, 1265, 1771, 1999, 2645, 2695, 3703, 5635, 5819, 8855, 9995, 12397, 13993, 18515, 21989, 25921, 29095, 40733, 45977, 61985, 69965, 97951, 109945, 129605, 153923, 203665, 229885, 285131, 321839, 489755, 505747, 769615, 1057471, 1077461, 1425655, 1609195, 2252873, 2528735, 3540229, 5287355, 5387305, 7402297, 11264365, 11632181, 17701145, 24781603, 37011485, 51816079, 58160905, 81425267, 123908015, 259080395, 407126335, 569976869, 2849884345]

約数ペア:

[(1, 2849884345), (5, 569976869), (7, 407126335), (11, 259080395), (23, 123908015), (35, 81425267), (49, 58160905), (55, 51816079), (77, 37011485), (115, 24781603), (161, 17701145), (245, 11632181), (253, 11264365), (385, 7402297), (529, 5387305), (539, 5287355), (805, 3540229), (1127, 2528735), (1265, 2252873), (1771, 1609195), (1999, 1425655), (2645, 1077461), (2695, 1057471), (3703, 769615), (5635, 505747), (5819, 489755), (8855, 321839), (9995, 285131), (12397, 229885), (13993, 203665), (18515, 153923), (21989, 129605), (25921, 109945), (29095, 97951), (40733, 69965), (45977, 61985)]