209423120

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{8527}}^1$

素因数の和:8847

約数の個数: 40

約数和(自身を含む): 488552064

約数和(自身を除く): 279128944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 8527, 12280, 17054, 24560, 34108, 42635, 68216, 85270, 136432, 170540, 341080, 682160, 2617789, 5235578, 10471156, 13088945, 20942312, 26177890, 41884624, 52355780, 104711560, 209423120]

約数ペア:

[(1, 209423120), (2, 104711560), (4, 52355780), (5, 41884624), (8, 26177890), (10, 20942312), (16, 13088945), (20, 10471156), (40, 5235578), (80, 2617789), (307, 682160), (614, 341080), (1228, 170540), (1535, 136432), (2456, 85270), (3070, 68216), (4912, 42635), (6140, 34108), (8527, 24560), (12280, 17054)]