1578340

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1489}}^1$

素因数の和:1551

約数の個数: 24

約数和(自身を含む): 3379320

約数和(自身を除く): 1800980

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1489, 2978, 5956, 7445, 14890, 29780, 78917, 157834, 315668, 394585, 789170, 1578340]

約数ペア:

[(1, 1578340), (2, 789170), (4, 394585), (5, 315668), (10, 157834), (20, 78917), (53, 29780), (106, 14890), (212, 7445), (265, 5956), (530, 2978), (1060, 1489)]