2851310

素因数分解:

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

素因数の和:78

約数の個数: 72

約数和(自身を含む): 6808536

約数和(自身を除く): 3957226

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 49, 55, 70, 77, 98, 110, 115, 154, 161, 230, 245, 253, 322, 385, 490, 506, 529, 539, 770, 805, 1058, 1078, 1127, 1265, 1610, 1771, 2254, 2530, 2645, 2695, 3542, 3703, 5290, 5390, 5635, 5819, 7406, 8855, 11270, 11638, 12397, 17710, 18515, 24794, 25921, 29095, 37030, 40733, 51842, 58190, 61985, 81466, 123970, 129605, 203665, 259210, 285131, 407330, 570262, 1425655, 2851310]

約数ペア:

[(1, 2851310), (2, 1425655), (5, 570262), (7, 407330), (10, 285131), (11, 259210), (14, 203665), (22, 129605), (23, 123970), (35, 81466), (46, 61985), (49, 58190), (55, 51842), (70, 40733), (77, 37030), (98, 29095), (110, 25921), (115, 24794), (154, 18515), (161, 17710), (230, 12397), (245, 11638), (253, 11270), (322, 8855), (385, 7406), (490, 5819), (506, 5635), (529, 5390), (539, 5290), (770, 3703), (805, 3542), (1058, 2695), (1078, 2645), (1127, 2530), (1265, 2254), (1610, 1771)]