212275420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{11939}}^1$

素因数の和:12082

約数の個数: 48

約数和(自身を含む): 513515520

約数和(自身を除く): 301240100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4445, 8890, 11939, 17780, 23878, 47756, 59695, 83573, 119390, 167146, 238780, 334292, 417865, 835730, 1516253, 1671460, 3032506, 6065012, 7581265, 10613771, 15162530, 21227542, 30325060, 42455084, 53068855, 106137710, 212275420]

約数ペア:

[(1, 212275420), (2, 106137710), (4, 53068855), (5, 42455084), (7, 30325060), (10, 21227542), (14, 15162530), (20, 10613771), (28, 7581265), (35, 6065012), (70, 3032506), (127, 1671460), (140, 1516253), (254, 835730), (508, 417865), (635, 334292), (889, 238780), (1270, 167146), (1778, 119390), (2540, 83573), (3556, 59695), (4445, 47756), (8890, 23878), (11939, 17780)]