204808828

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1279}}^1$

素因数の和:1359

約数の個数: 72

約数和(自身を含む): 449433600

約数和(自身を除く): 244624772

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 43, 49, 76, 86, 98, 133, 172, 196, 266, 301, 532, 602, 817, 931, 1204, 1279, 1634, 1862, 2107, 2558, 3268, 3724, 4214, 5116, 5719, 8428, 8953, 11438, 17906, 22876, 24301, 35812, 40033, 48602, 54997, 62671, 80066, 97204, 109994, 125342, 160132, 170107, 219988, 250684, 340214, 384979, 680428, 769958, 1044943, 1190749, 1539916, 2089886, 2381498, 2694853, 4179772, 4762996, 5389706, 7314601, 10779412, 14629202, 29258404, 51202207, 102404414, 204808828]

約数ペア:

[(1, 204808828), (2, 102404414), (4, 51202207), (7, 29258404), (14, 14629202), (19, 10779412), (28, 7314601), (38, 5389706), (43, 4762996), (49, 4179772), (76, 2694853), (86, 2381498), (98, 2089886), (133, 1539916), (172, 1190749), (196, 1044943), (266, 769958), (301, 680428), (532, 384979), (602, 340214), (817, 250684), (931, 219988), (1204, 170107), (1279, 160132), (1634, 125342), (1862, 109994), (2107, 97204), (2558, 80066), (3268, 62671), (3724, 54997), (4214, 48602), (5116, 40033), (5719, 35812), (8428, 24301), (8953, 22876), (11438, 17906)]