30780400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{10993}}^1$

素因数の和:11018

約数の個数: 60

約数和(自身を含む): 84521872

約数和(自身を除く): 53741472

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, 10993, 21986, 43972, 54965, 76951, 87944, 109930, 153902, 175888, 219860, 274825, 307804, 384755, 439720, 549650, 615608, 769510, 879440, 1099300, 1231216, 1539020, 1923775, 2198600, 3078040, 3847550, 4397200, 6156080, 7695100, 15390200, 30780400]

約数ペア:

[(1, 30780400), (2, 15390200), (4, 7695100), (5, 6156080), (7, 4397200), (8, 3847550), (10, 3078040), (14, 2198600), (16, 1923775), (20, 1539020), (25, 1231216), (28, 1099300), (35, 879440), (40, 769510), (50, 615608), (56, 549650), (70, 439720), (80, 384755), (100, 307804), (112, 274825), (140, 219860), (175, 175888), (200, 153902), (280, 109930), (350, 87944), (400, 76951), (560, 54965), (700, 43972), (1400, 21986), (2800, 10993)]