197077540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 489065472

約数和(自身を除く): 291987932

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 37, 44, 55, 62, 71, 74, 110, 121, 124, 142, 148, 155, 185, 220, 242, 284, 310, 341, 355, 370, 407, 484, 605, 620, 682, 710, 740, 781, 814, 1147, 1210, 1364, 1420, 1562, 1628, 1705, 2035, 2201, 2294, 2420, 2627, 3124, 3410, 3751, 3905, 4070, 4402, 4477, 4588, 5254, 5735, 6820, 7502, 7810, 8140, 8591, 8804, 8954, 10508, 11005, 11470, 12617, 13135, 15004, 15620, 17182, 17908, 18755, 22010, 22385, 22940, 24211, 25234, 26270, 28897, 34364, 37510, 42955, 44020, 44770, 48422, 50468, 52540, 57794, 63085, 75020, 81437, 85910, 89540, 96844, 115588, 121055, 126170, 138787, 144485, 162874, 171820, 242110, 252340, 266321, 277574, 288970, 317867, 325748, 407185, 484220, 532642, 555148, 577940, 635734, 693935, 814370, 895807, 1065284, 1271468, 1331605, 1387870, 1589335, 1628740, 1791614, 2663210, 2775740, 3178670, 3583228, 4479035, 5326420, 6357340, 8958070, 9853877, 17916140, 19707754, 39415508, 49269385, 98538770, 197077540]

約数ペア:

[(1, 197077540), (2, 98538770), (4, 49269385), (5, 39415508), (10, 19707754), (11, 17916140), (20, 9853877), (22, 8958070), (31, 6357340), (37, 5326420), (44, 4479035), (55, 3583228), (62, 3178670), (71, 2775740), (74, 2663210), (110, 1791614), (121, 1628740), (124, 1589335), (142, 1387870), (148, 1331605), (155, 1271468), (185, 1065284), (220, 895807), (242, 814370), (284, 693935), (310, 635734), (341, 577940), (355, 555148), (370, 532642), (407, 484220), (484, 407185), (605, 325748), (620, 317867), (682, 288970), (710, 277574), (740, 266321), (781, 252340), (814, 242110), (1147, 171820), (1210, 162874), (1364, 144485), (1420, 138787), (1562, 126170), (1628, 121055), (1705, 115588), (2035, 96844), (2201, 89540), (2294, 85910), (2420, 81437), (2627, 75020), (3124, 63085), (3410, 57794), (3751, 52540), (3905, 50468), (4070, 48422), (4402, 44770), (4477, 44020), (4588, 42955), (5254, 37510), (5735, 34364), (6820, 28897), (7502, 26270), (7810, 25234), (8140, 24211), (8591, 22940), (8804, 22385), (8954, 22010), (10508, 18755), (11005, 17908), (11470, 17182), (12617, 15620), (13135, 15004)]