128787890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8803}}^1$

素因数の和:8847

約数の個数: 64

約数和(自身を含む): 304266240

約数和(自身を除く): 175478350

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 35, 38, 55, 70, 77, 95, 110, 133, 154, 190, 209, 266, 385, 418, 665, 770, 1045, 1330, 1463, 2090, 2926, 7315, 8803, 14630, 17606, 44015, 61621, 88030, 96833, 123242, 167257, 193666, 308105, 334514, 484165, 616210, 677831, 836285, 968330, 1170799, 1355662, 1672570, 1839827, 2341598, 3389155, 3679654, 5853995, 6778310, 9199135, 11707990, 12878789, 18398270, 25757578, 64393945, 128787890]

約数ペア:

[(1, 128787890), (2, 64393945), (5, 25757578), (7, 18398270), (10, 12878789), (11, 11707990), (14, 9199135), (19, 6778310), (22, 5853995), (35, 3679654), (38, 3389155), (55, 2341598), (70, 1839827), (77, 1672570), (95, 1355662), (110, 1170799), (133, 968330), (154, 836285), (190, 677831), (209, 616210), (266, 484165), (385, 334514), (418, 308105), (665, 193666), (770, 167257), (1045, 123242), (1330, 96833), (1463, 88030), (2090, 61621), (2926, 44015), (7315, 17606), (8803, 14630)]