209819680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{187339}}^1$

素因数の和:187361

約数の個数: 48

約数和(自身を含む): 566516160

約数和(自身を除く): 356696480

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, 187339, 374678, 749356, 936695, 1311373, 1498712, 1873390, 2622746, 2997424, 3746780, 5245492, 5994848, 6556865, 7493560, 10490984, 13113730, 14987120, 20981968, 26227460, 29974240, 41963936, 52454920, 104909840, 209819680]

約数ペア:

[(1, 209819680), (2, 104909840), (4, 52454920), (5, 41963936), (7, 29974240), (8, 26227460), (10, 20981968), (14, 14987120), (16, 13113730), (20, 10490984), (28, 7493560), (32, 6556865), (35, 5994848), (40, 5245492), (56, 3746780), (70, 2997424), (80, 2622746), (112, 1873390), (140, 1498712), (160, 1311373), (224, 936695), (280, 749356), (560, 374678), (1120, 187339)]