78394400

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{13999}}^1$

素因数の和:14026

約数の個数: 72

約数和(自身を含む): 218736000

約数和(自身を除く): 140341600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 5600, 13999, 27998, 55996, 69995, 97993, 111992, 139990, 195986, 223984, 279980, 349975, 391972, 447968, 489965, 559960, 699950, 783944, 979930, 1119920, 1399900, 1567888, 1959860, 2239840, 2449825, 2799800, 3135776, 3919720, 4899650, 5599600, 7839440, 9799300, 11199200, 15678880, 19598600, 39197200, 78394400]

約数ペア:

[(1, 78394400), (2, 39197200), (4, 19598600), (5, 15678880), (7, 11199200), (8, 9799300), (10, 7839440), (14, 5599600), (16, 4899650), (20, 3919720), (25, 3135776), (28, 2799800), (32, 2449825), (35, 2239840), (40, 1959860), (50, 1567888), (56, 1399900), (70, 1119920), (80, 979930), (100, 783944), (112, 699950), (140, 559960), (160, 489965), (175, 447968), (200, 391972), (224, 349975), (280, 279980), (350, 223984), (400, 195986), (560, 139990), (700, 111992), (800, 97993), (1120, 69995), (1400, 55996), (2800, 27998), (5600, 13999)]