211326980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{809}}^1$

素因数の和:1208

約数の個数: 48

約数和(自身を含む): 457637040

約数和(自身を除く): 246310060

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 353, 370, 706, 740, 809, 1412, 1618, 1765, 3236, 3530, 4045, 7060, 8090, 13061, 16180, 26122, 29933, 52244, 59866, 65305, 119732, 130610, 149665, 261220, 285577, 299330, 571154, 598660, 1142308, 1427885, 2855770, 5711540, 10566349, 21132698, 42265396, 52831745, 105663490, 211326980]

約数ペア:

[(1, 211326980), (2, 105663490), (4, 52831745), (5, 42265396), (10, 21132698), (20, 10566349), (37, 5711540), (74, 2855770), (148, 1427885), (185, 1142308), (353, 598660), (370, 571154), (706, 299330), (740, 285577), (809, 261220), (1412, 149665), (1618, 130610), (1765, 119732), (3236, 65305), (3530, 59866), (4045, 52244), (7060, 29933), (8090, 26122), (13061, 16180)]