221468170

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4051}}^1$

素因数の和:4147

約数の個数: 64

約数和(自身を含む): 504133632

約数和(自身を除く): 282665462

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 71, 77, 110, 142, 154, 355, 385, 497, 710, 770, 781, 994, 1562, 2485, 3905, 4051, 4970, 5467, 7810, 8102, 10934, 20255, 27335, 28357, 40510, 44561, 54670, 56714, 89122, 141785, 222805, 283570, 287621, 311927, 445610, 575242, 623854, 1438105, 1559635, 2013347, 2876210, 3119270, 3163831, 4026694, 6327662, 10066735, 15819155, 20133470, 22146817, 31638310, 44293634, 110734085, 221468170]

約数ペア:

[(1, 221468170), (2, 110734085), (5, 44293634), (7, 31638310), (10, 22146817), (11, 20133470), (14, 15819155), (22, 10066735), (35, 6327662), (55, 4026694), (70, 3163831), (71, 3119270), (77, 2876210), (110, 2013347), (142, 1559635), (154, 1438105), (355, 623854), (385, 575242), (497, 445610), (710, 311927), (770, 287621), (781, 283570), (994, 222805), (1562, 141785), (2485, 89122), (3905, 56714), (4051, 54670), (4970, 44561), (5467, 40510), (7810, 28357), (8102, 27335), (10934, 20255)]