202980400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{72493}}^1$

素因数の和:72518

約数の個数: 60

約数和(自身を含む): 557333872

約数和(自身を除く): 354353472

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, 72493, 144986, 289972, 362465, 507451, 579944, 724930, 1014902, 1159888, 1449860, 1812325, 2029804, 2537255, 2899720, 3624650, 4059608, 5074510, 5799440, 7249300, 8119216, 10149020, 12686275, 14498600, 20298040, 25372550, 28997200, 40596080, 50745100, 101490200, 202980400]

約数ペア:

[(1, 202980400), (2, 101490200), (4, 50745100), (5, 40596080), (7, 28997200), (8, 25372550), (10, 20298040), (14, 14498600), (16, 12686275), (20, 10149020), (25, 8119216), (28, 7249300), (35, 5799440), (40, 5074510), (50, 4059608), (56, 3624650), (70, 2899720), (80, 2537255), (100, 2029804), (112, 1812325), (140, 1449860), (175, 1159888), (200, 1014902), (280, 724930), (350, 579944), (400, 507451), (560, 362465), (700, 289972), (1400, 144986), (2800, 72493)]