203079520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{25903}}^1$

素因数の和:25932

約数の個数: 72

約数和(自身を含む): 558127584

約数和(自身を除く): 355048064

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, 25903, 51806, 103612, 129515, 181321, 207224, 259030, 362642, 414448, 518060, 725284, 828896, 906605, 1036120, 1269247, 1450568, 1813210, 2072240, 2538494, 2901136, 3626420, 4144480, 5076988, 5802272, 6346235, 7252840, 10153976, 12692470, 14505680, 20307952, 25384940, 29011360, 40615904, 50769880, 101539760, 203079520]

約数ペア:

[(1, 203079520), (2, 101539760), (4, 50769880), (5, 40615904), (7, 29011360), (8, 25384940), (10, 20307952), (14, 14505680), (16, 12692470), (20, 10153976), (28, 7252840), (32, 6346235), (35, 5802272), (40, 5076988), (49, 4144480), (56, 3626420), (70, 2901136), (80, 2538494), (98, 2072240), (112, 1813210), (140, 1450568), (160, 1269247), (196, 1036120), (224, 906605), (245, 828896), (280, 725284), (392, 518060), (490, 414448), (560, 362642), (784, 259030), (980, 207224), (1120, 181321), (1568, 129515), (1960, 103612), (3920, 51806), (7840, 25903)]