127945420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1\times {\mathrm{463}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 276651648

約数和(自身を除く): 148706228

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 337, 410, 463, 674, 820, 926, 1348, 1685, 1852, 2315, 3370, 4630, 6740, 9260, 13817, 18983, 27634, 37966, 55268, 69085, 75932, 94915, 138170, 156031, 189830, 276340, 312062, 379660, 624124, 780155, 1560310, 3120620, 6397271, 12794542, 25589084, 31986355, 63972710, 127945420]

約数ペア:

[(1, 127945420), (2, 63972710), (4, 31986355), (5, 25589084), (10, 12794542), (20, 6397271), (41, 3120620), (82, 1560310), (164, 780155), (205, 624124), (337, 379660), (410, 312062), (463, 276340), (674, 189830), (820, 156031), (926, 138170), (1348, 94915), (1685, 75932), (1852, 69085), (2315, 55268), (3370, 37966), (4630, 27634), (6740, 18983), (9260, 13817)]