208039300

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{42457}}^1$

素因数の和:42485

約数の個数: 54

約数和(自身を含む): 525163002

約数和(自身を除く): 317123702

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 42457, 84914, 169828, 212285, 297199, 424570, 594398, 849140, 1061425, 1188796, 1485995, 2080393, 2122850, 2971990, 4160786, 4245700, 5943980, 7429975, 8321572, 10401965, 14859950, 20803930, 29719900, 41607860, 52009825, 104019650, 208039300]

約数ペア:

[(1, 208039300), (2, 104019650), (4, 52009825), (5, 41607860), (7, 29719900), (10, 20803930), (14, 14859950), (20, 10401965), (25, 8321572), (28, 7429975), (35, 5943980), (49, 4245700), (50, 4160786), (70, 2971990), (98, 2122850), (100, 2080393), (140, 1485995), (175, 1188796), (196, 1061425), (245, 849140), (350, 594398), (490, 424570), (700, 297199), (980, 212285), (1225, 169828), (2450, 84914), (4900, 42457)]