208840400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{27479}}^1$

素因数の和:27516

約数の個数: 60

約数和(自身を含む): 528165600

約数和(自身を除く): 319325200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1900, 3800, 7600, 27479, 54958, 109916, 137395, 219832, 274790, 439664, 522101, 549580, 686975, 1044202, 1099160, 1373950, 2088404, 2198320, 2610505, 2747900, 4176808, 5221010, 5495800, 8353616, 10442020, 10991600, 13052525, 20884040, 26105050, 41768080, 52210100, 104420200, 208840400]

約数ペア:

[(1, 208840400), (2, 104420200), (4, 52210100), (5, 41768080), (8, 26105050), (10, 20884040), (16, 13052525), (19, 10991600), (20, 10442020), (25, 8353616), (38, 5495800), (40, 5221010), (50, 4176808), (76, 2747900), (80, 2610505), (95, 2198320), (100, 2088404), (152, 1373950), (190, 1099160), (200, 1044202), (304, 686975), (380, 549580), (400, 522101), (475, 439664), (760, 274790), (950, 219832), (1520, 137395), (1900, 109916), (3800, 54958), (7600, 27479)]