206939180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{659}}^1\times {\mathrm{2243}}^1$

素因数の和:2918

約数の個数: 48

約数和(自身を含む): 497629440

約数和(自身を除く): 290690260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 659, 1318, 2243, 2636, 3295, 4486, 4613, 6590, 8972, 9226, 11215, 13180, 15701, 18452, 22430, 23065, 31402, 44860, 46130, 62804, 78505, 92260, 157010, 314020, 1478137, 2956274, 5912548, 7390685, 10346959, 14781370, 20693918, 29562740, 41387836, 51734795, 103469590, 206939180]

約数ペア:

[(1, 206939180), (2, 103469590), (4, 51734795), (5, 41387836), (7, 29562740), (10, 20693918), (14, 14781370), (20, 10346959), (28, 7390685), (35, 5912548), (70, 2956274), (140, 1478137), (659, 314020), (1318, 157010), (2243, 92260), (2636, 78505), (3295, 62804), (4486, 46130), (4613, 44860), (6590, 31402), (8972, 23065), (9226, 22430), (11215, 18452), (13180, 15701)]