138558280

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{10099}}^1$

素因数の和:10131

約数の個数: 64

約数和(自身を含む): 363600000

約数和(自身を除く): 225041720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 6860, 10099, 13720, 20198, 40396, 50495, 70693, 80792, 100990, 141386, 201980, 282772, 353465, 403960, 494851, 565544, 706930, 989702, 1413860, 1979404, 2474255, 2827720, 3463957, 3958808, 4948510, 6927914, 9897020, 13855828, 17319785, 19794040, 27711656, 34639570, 69279140, 138558280]

約数ペア:

[(1, 138558280), (2, 69279140), (4, 34639570), (5, 27711656), (7, 19794040), (8, 17319785), (10, 13855828), (14, 9897020), (20, 6927914), (28, 4948510), (35, 3958808), (40, 3463957), (49, 2827720), (56, 2474255), (70, 1979404), (98, 1413860), (140, 989702), (196, 706930), (245, 565544), (280, 494851), (343, 403960), (392, 353465), (490, 282772), (686, 201980), (980, 141386), (1372, 100990), (1715, 80792), (1960, 70693), (2744, 50495), (3430, 40396), (6860, 20198), (10099, 13720)]