1243875980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{875969}}^1$

素因数の和:876049

約数の個数: 24

約数和(自身を含む): 2648933280

約数和(自身を除く): 1405057300

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 875969, 1751938, 3503876, 4379845, 8759690, 17519380, 62193799, 124387598, 248775196, 310968995, 621937990, 1243875980]

約数ペア:

[(1, 1243875980), (2, 621937990), (4, 310968995), (5, 248775196), (10, 124387598), (20, 62193799), (71, 17519380), (142, 8759690), (284, 4379845), (355, 3503876), (710, 1751938), (1420, 875969)]