201970990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{10427}}^1$

素因数の和:10596

約数の個数: 32

約数和(自身を含む): 394178400

約数和(自身を除く): 192207410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1937, 3874, 9685, 10427, 19370, 20854, 52135, 104270, 135551, 271102, 677755, 1355510, 1553623, 3107246, 7768115, 15536230, 20197099, 40394198, 100985495, 201970990]

約数ペア:

[(1, 201970990), (2, 100985495), (5, 40394198), (10, 20197099), (13, 15536230), (26, 7768115), (65, 3107246), (130, 1553623), (149, 1355510), (298, 677755), (745, 271102), (1490, 135551), (1937, 104270), (3874, 52135), (9685, 20854), (10427, 19370)]