1243201210

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{319589}}^1$

素因数の和:319985

約数の個数: 16

約数和(自身を含む): 2243521800

約数和(自身を除く): 1000320590

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 319589, 639178, 1597945, 3195890, 124320121, 248640242, 621600605, 1243201210]

約数ペア:

[(1, 1243201210), (2, 621600605), (5, 248640242), (10, 124320121), (389, 3195890), (778, 1597945), (1945, 639178), (3890, 319589)]