271328680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{138433}}^1$

素因数の和:138458

約数の個数: 48

約数和(自身を含む): 710166420

約数和(自身を除く): 438837740

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 138433, 276866, 553732, 692165, 969031, 1107464, 1384330, 1938062, 2768660, 3876124, 4845155, 5537320, 6783217, 7752248, 9690310, 13566434, 19380620, 27132868, 33916085, 38761240, 54265736, 67832170, 135664340, 271328680]

約数ペア:

[(1, 271328680), (2, 135664340), (4, 67832170), (5, 54265736), (7, 38761240), (8, 33916085), (10, 27132868), (14, 19380620), (20, 13566434), (28, 9690310), (35, 7752248), (40, 6783217), (49, 5537320), (56, 4845155), (70, 3876124), (98, 2768660), (140, 1938062), (196, 1384330), (245, 1107464), (280, 969031), (392, 692165), (490, 553732), (980, 276866), (1960, 138433)]