208552810

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{7559}}^1$

素因数の和:7686

約数の個数: 32

約数和(自身を含む): 391910400

約数和(自身を除く): 183357590

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 7559, 13795, 15118, 27590, 37795, 75590, 234329, 468658, 672751, 1171645, 1345502, 2343290, 3363755, 6727510, 20855281, 41710562, 104276405, 208552810]

約数ペア:

[(1, 208552810), (2, 104276405), (5, 41710562), (10, 20855281), (31, 6727510), (62, 3363755), (89, 2343290), (155, 1345502), (178, 1171645), (310, 672751), (445, 468658), (890, 234329), (2759, 75590), (5518, 37795), (7559, 27590), (13795, 15118)]