198474080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{177209}}^1$

素因数の和:177231

約数の個数: 48

約数和(自身を含む): 535883040

約数和(自身を除く): 337408960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 177209, 354418, 708836, 886045, 1240463, 1417672, 1772090, 2480926, 2835344, 3544180, 4961852, 5670688, 6202315, 7088360, 9923704, 12404630, 14176720, 19847408, 24809260, 28353440, 39694816, 49618520, 99237040, 198474080]

約数ペア:

[(1, 198474080), (2, 99237040), (4, 49618520), (5, 39694816), (7, 28353440), (8, 24809260), (10, 19847408), (14, 14176720), (16, 12404630), (20, 9923704), (28, 7088360), (32, 6202315), (35, 5670688), (40, 4961852), (56, 3544180), (70, 2835344), (80, 2480926), (112, 1772090), (140, 1417672), (160, 1240463), (224, 886045), (280, 708836), (560, 354418), (1120, 177209)]