206913280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{3299}}^1$

素因数の和:3334

約数の個数: 108

約数和(自身を含む): 576714600

約数和(自身を除く): 369801320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1568, 1792, 1960, 2240, 3136, 3299, 3920, 4480, 6272, 6598, 7840, 8960, 12544, 13196, 15680, 16495, 23093, 26392, 31360, 32990, 46186, 52784, 62720, 65980, 92372, 105568, 115465, 131960, 161651, 184744, 211136, 230930, 263920, 323302, 369488, 422272, 461860, 527840, 646604, 738976, 808255, 844544, 923720, 1055680, 1293208, 1477952, 1616510, 1847440, 2111360, 2586416, 2955904, 3233020, 3694880, 4222720, 5172832, 5911808, 6466040, 7389760, 10345664, 12932080, 14779520, 20691328, 25864160, 29559040, 41382656, 51728320, 103456640, 206913280]

約数ペア:

[(1, 206913280), (2, 103456640), (4, 51728320), (5, 41382656), (7, 29559040), (8, 25864160), (10, 20691328), (14, 14779520), (16, 12932080), (20, 10345664), (28, 7389760), (32, 6466040), (35, 5911808), (40, 5172832), (49, 4222720), (56, 3694880), (64, 3233020), (70, 2955904), (80, 2586416), (98, 2111360), (112, 1847440), (128, 1616510), (140, 1477952), (160, 1293208), (196, 1055680), (224, 923720), (245, 844544), (256, 808255), (280, 738976), (320, 646604), (392, 527840), (448, 461860), (490, 422272), (560, 369488), (640, 323302), (784, 263920), (896, 230930), (980, 211136), (1120, 184744), (1280, 161651), (1568, 131960), (1792, 115465), (1960, 105568), (2240, 92372), (3136, 65980), (3299, 62720), (3920, 52784), (4480, 46186), (6272, 32990), (6598, 31360), (7840, 26392), (8960, 23093), (12544, 16495), (13196, 15680)]