31998400

素因数分解:

$2^6\times 5^2\times 7^1\times {\mathrm{2857}}^1$

素因数の和:2886

約数の個数: 84

約数和(自身を含む): 90015568

約数和(自身を除く): 58017168

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 320, 350, 400, 448, 560, 700, 800, 1120, 1400, 1600, 2240, 2800, 2857, 5600, 5714, 11200, 11428, 14285, 19999, 22856, 28570, 39998, 45712, 57140, 71425, 79996, 91424, 99995, 114280, 142850, 159992, 182848, 199990, 228560, 285700, 319984, 399980, 457120, 499975, 571400, 639968, 799960, 914240, 999950, 1142800, 1279936, 1599920, 1999900, 2285600, 3199840, 3999800, 4571200, 6399680, 7999600, 15999200, 31998400]

約数ペア:

[(1, 31998400), (2, 15999200), (4, 7999600), (5, 6399680), (7, 4571200), (8, 3999800), (10, 3199840), (14, 2285600), (16, 1999900), (20, 1599920), (25, 1279936), (28, 1142800), (32, 999950), (35, 914240), (40, 799960), (50, 639968), (56, 571400), (64, 499975), (70, 457120), (80, 399980), (100, 319984), (112, 285700), (140, 228560), (160, 199990), (175, 182848), (200, 159992), (224, 142850), (280, 114280), (320, 99995), (350, 91424), (400, 79996), (448, 71425), (560, 57140), (700, 45712), (800, 39998), (1120, 28570), (1400, 22856), (1600, 19999), (2240, 14285), (2800, 11428), (2857, 11200), (5600, 5714)]