57345820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2609}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 138559680

約数和(自身を除く): 81213860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1570, 2198, 2609, 3140, 4396, 5218, 5495, 10436, 10990, 13045, 18263, 21980, 26090, 36526, 52180, 73052, 91315, 182630, 365260, 409613, 819226, 1638452, 2048065, 2867291, 4096130, 5734582, 8192260, 11469164, 14336455, 28672910, 57345820]

約数ペア:

[(1, 57345820), (2, 28672910), (4, 14336455), (5, 11469164), (7, 8192260), (10, 5734582), (14, 4096130), (20, 2867291), (28, 2048065), (35, 1638452), (70, 819226), (140, 409613), (157, 365260), (314, 182630), (628, 91315), (785, 73052), (1099, 52180), (1570, 36526), (2198, 26090), (2609, 21980), (3140, 18263), (4396, 13045), (5218, 10990), (5495, 10436)]