7999600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{2857}}^1$

素因数の和:2882

約数の個数: 60

約数和(自身を含む): 21972304

約数和(自身を除く): 13972704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 350, 400, 560, 700, 1400, 2800, 2857, 5714, 11428, 14285, 19999, 22856, 28570, 39998, 45712, 57140, 71425, 79996, 99995, 114280, 142850, 159992, 199990, 228560, 285700, 319984, 399980, 499975, 571400, 799960, 999950, 1142800, 1599920, 1999900, 3999800, 7999600]

約数ペア:

[(1, 7999600), (2, 3999800), (4, 1999900), (5, 1599920), (7, 1142800), (8, 999950), (10, 799960), (14, 571400), (16, 499975), (20, 399980), (25, 319984), (28, 285700), (35, 228560), (40, 199990), (50, 159992), (56, 142850), (70, 114280), (80, 99995), (100, 79996), (112, 71425), (140, 57140), (175, 45712), (200, 39998), (280, 28570), (350, 22856), (400, 19999), (560, 14285), (700, 11428), (1400, 5714), (2800, 2857)]