208519600

素因数分解:

$2^4\times 5^2\times {\mathrm{521299}}^1$

素因数の和:521317

約数の個数: 30

約数和(自身を含む): 500969300

約数和(自身を除く): 292449700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 521299, 1042598, 2085196, 2606495, 4170392, 5212990, 8340784, 10425980, 13032475, 20851960, 26064950, 41703920, 52129900, 104259800, 208519600]

約数ペア:

[(1, 208519600), (2, 104259800), (4, 52129900), (5, 41703920), (8, 26064950), (10, 20851960), (16, 13032475), (20, 10425980), (25, 8340784), (40, 5212990), (50, 4170392), (80, 2606495), (100, 2085196), (200, 1042598), (400, 521299)]