139902280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{8191}}^1$

素因数の和:8270

約数の個数: 64

約数和(自身を含む): 365690880

約数和(自身を除く): 225788600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8191, 8540, 16382, 17080, 32764, 40955, 57337, 65528, 81910, 114674, 163820, 229348, 286685, 327640, 458696, 499651, 573370, 999302, 1146740, 1998604, 2293480, 2498255, 3497557, 3997208, 4996510, 6995114, 9993020, 13990228, 17487785, 19986040, 27980456, 34975570, 69951140, 139902280]

約数ペア:

[(1, 139902280), (2, 69951140), (4, 34975570), (5, 27980456), (7, 19986040), (8, 17487785), (10, 13990228), (14, 9993020), (20, 6995114), (28, 4996510), (35, 3997208), (40, 3497557), (56, 2498255), (61, 2293480), (70, 1998604), (122, 1146740), (140, 999302), (244, 573370), (280, 499651), (305, 458696), (427, 327640), (488, 286685), (610, 229348), (854, 163820), (1220, 114674), (1708, 81910), (2135, 65528), (2440, 57337), (3416, 40955), (4270, 32764), (8191, 17080), (8540, 16382)]