291227090

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:864

約数の個数: 96

約数和(自身を含む): 675485568

約数和(自身を除く): 384258478

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 71, 77, 98, 110, 142, 154, 245, 355, 385, 490, 497, 539, 710, 761, 770, 781, 994, 1078, 1522, 1562, 2485, 2695, 3479, 3805, 3905, 4970, 5327, 5390, 5467, 6958, 7610, 7810, 8371, 10654, 10934, 16742, 17395, 26635, 27335, 34790, 37289, 38269, 41855, 53270, 54031, 54670, 58597, 74578, 76538, 83710, 108062, 117194, 186445, 191345, 270155, 292985, 372890, 378217, 382690, 410179, 540310, 585970, 594341, 756434, 820358, 1188682, 1891085, 2050895, 2647519, 2971705, 3782170, 4101790, 4160387, 5295038, 5943410, 8320774, 13237595, 20801935, 26475190, 29122709, 41603870, 58245418, 145613545, 291227090]

約数ペア:

[(1, 291227090), (2, 145613545), (5, 58245418), (7, 41603870), (10, 29122709), (11, 26475190), (14, 20801935), (22, 13237595), (35, 8320774), (49, 5943410), (55, 5295038), (70, 4160387), (71, 4101790), (77, 3782170), (98, 2971705), (110, 2647519), (142, 2050895), (154, 1891085), (245, 1188682), (355, 820358), (385, 756434), (490, 594341), (497, 585970), (539, 540310), (710, 410179), (761, 382690), (770, 378217), (781, 372890), (994, 292985), (1078, 270155), (1522, 191345), (1562, 186445), (2485, 117194), (2695, 108062), (3479, 83710), (3805, 76538), (3905, 74578), (4970, 58597), (5327, 54670), (5390, 54031), (5467, 53270), (6958, 41855), (7610, 38269), (7810, 37289), (8371, 34790), (10654, 27335), (10934, 26635), (16742, 17395)]