207942910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{19937}}^1$

素因数の和:20100

約数の個数: 32

約数和(自身を含む): 430660800

約数和(自身を除く): 222717890

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 745, 1043, 1490, 2086, 5215, 10430, 19937, 39874, 99685, 139559, 199370, 279118, 697795, 1395590, 2970613, 5941226, 14853065, 20794291, 29706130, 41588582, 103971455, 207942910]

約数ペア:

[(1, 207942910), (2, 103971455), (5, 41588582), (7, 29706130), (10, 20794291), (14, 14853065), (35, 5941226), (70, 2970613), (149, 1395590), (298, 697795), (745, 279118), (1043, 199370), (1490, 139559), (2086, 99685), (5215, 39874), (10430, 19937)]