290630156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 546524160

約数和(自身を除く): 255894004

約数列:

[1, 2, 4, 19, 38, 76, 103, 137, 206, 271, 274, 412, 542, 548, 1084, 1957, 2603, 3914, 5149, 5206, 7828, 10298, 10412, 14111, 20596, 27913, 28222, 37127, 55826, 56444, 74254, 111652, 148508, 268109, 530347, 536218, 705413, 1060694, 1072436, 1410826, 2121388, 2821652, 3824081, 7648162, 15296324, 72657539, 145315078, 290630156]

約数ペア:

[(1, 290630156), (2, 145315078), (4, 72657539), (19, 15296324), (38, 7648162), (76, 3824081), (103, 2821652), (137, 2121388), (206, 1410826), (271, 1072436), (274, 1060694), (412, 705413), (542, 536218), (548, 530347), (1084, 268109), (1957, 148508), (2603, 111652), (3914, 74254), (5149, 56444), (5206, 55826), (7828, 37127), (10298, 28222), (10412, 27913), (14111, 20596)]