208335860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1543}}^1$

素因数の和:1752

約数の個数: 48

約数和(自身を含む): 450823296

約数和(自身を除く): 242487436

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 157, 172, 215, 314, 430, 628, 785, 860, 1543, 1570, 3086, 3140, 6172, 6751, 7715, 13502, 15430, 27004, 30860, 33755, 66349, 67510, 132698, 135020, 242251, 265396, 331745, 484502, 663490, 969004, 1211255, 1326980, 2422510, 4845020, 10416793, 20833586, 41667172, 52083965, 104167930, 208335860]

約数ペア:

[(1, 208335860), (2, 104167930), (4, 52083965), (5, 41667172), (10, 20833586), (20, 10416793), (43, 4845020), (86, 2422510), (157, 1326980), (172, 1211255), (215, 969004), (314, 663490), (430, 484502), (628, 331745), (785, 265396), (860, 242251), (1543, 135020), (1570, 132698), (3086, 67510), (3140, 66349), (6172, 33755), (6751, 30860), (7715, 27004), (13502, 15430)]