128337800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{14923}}^1$

素因数の和:14982

約数の個数: 48

約数和(自身を含む): 305345040

約数和(自身を除く): 177007240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 14923, 29846, 59692, 74615, 119384, 149230, 298460, 373075, 596920, 641689, 746150, 1283378, 1492300, 2566756, 2984600, 3208445, 5133512, 6416890, 12833780, 16042225, 25667560, 32084450, 64168900, 128337800]

約数ペア:

[(1, 128337800), (2, 64168900), (4, 32084450), (5, 25667560), (8, 16042225), (10, 12833780), (20, 6416890), (25, 5133512), (40, 3208445), (43, 2984600), (50, 2566756), (86, 1492300), (100, 1283378), (172, 746150), (200, 641689), (215, 596920), (344, 373075), (430, 298460), (860, 149230), (1075, 119384), (1720, 74615), (2150, 59692), (4300, 29846), (8600, 14923)]