209335840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{26701}}^1$

素因数の和:26730

約数の個数: 72

約数和(自身を含む): 575321292

約数和(自身を除く): 365985452

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 26701, 53402, 106804, 133505, 186907, 213608, 267010, 373814, 427216, 534020, 747628, 854432, 934535, 1068040, 1308349, 1495256, 1869070, 2136080, 2616698, 2990512, 3738140, 4272160, 5233396, 5981024, 6541745, 7476280, 10466792, 13083490, 14952560, 20933584, 26166980, 29905120, 41867168, 52333960, 104667920, 209335840]

約数ペア:

[(1, 209335840), (2, 104667920), (4, 52333960), (5, 41867168), (7, 29905120), (8, 26166980), (10, 20933584), (14, 14952560), (16, 13083490), (20, 10466792), (28, 7476280), (32, 6541745), (35, 5981024), (40, 5233396), (49, 4272160), (56, 3738140), (70, 2990512), (80, 2616698), (98, 2136080), (112, 1869070), (140, 1495256), (160, 1308349), (196, 1068040), (224, 934535), (245, 854432), (280, 747628), (392, 534020), (490, 427216), (560, 373814), (784, 267010), (980, 213608), (1120, 186907), (1568, 133505), (1960, 106804), (3920, 53402), (7840, 26701)]