198399040

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{12653}}^1$

素因数の和:12684

約数の個数: 84

約数和(自身を含む): 549613836

約数和(自身を除く): 351214796

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 12653, 15680, 25306, 50612, 63265, 88571, 101224, 126530, 177142, 202448, 253060, 354284, 404896, 442855, 506120, 619997, 708568, 809792, 885710, 1012240, 1239994, 1417136, 1771420, 2024480, 2479988, 2834272, 3099985, 3542840, 4048960, 4959976, 5668544, 6199970, 7085680, 9919952, 12399940, 14171360, 19839904, 24799880, 28342720, 39679808, 49599760, 99199520, 198399040]

約数ペア:

[(1, 198399040), (2, 99199520), (4, 49599760), (5, 39679808), (7, 28342720), (8, 24799880), (10, 19839904), (14, 14171360), (16, 12399940), (20, 9919952), (28, 7085680), (32, 6199970), (35, 5668544), (40, 4959976), (49, 4048960), (56, 3542840), (64, 3099985), (70, 2834272), (80, 2479988), (98, 2024480), (112, 1771420), (140, 1417136), (160, 1239994), (196, 1012240), (224, 885710), (245, 809792), (280, 708568), (320, 619997), (392, 506120), (448, 442855), (490, 404896), (560, 354284), (784, 253060), (980, 202448), (1120, 177142), (1568, 126530), (1960, 101224), (2240, 88571), (3136, 63265), (3920, 50612), (7840, 25306), (12653, 15680)]