181657220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3623}}^1$

素因数の和:3764

約数の個数: 48

約数和(自身を含む): 401829120

約数和(自身を除く): 220171900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 109, 115, 218, 230, 436, 460, 545, 1090, 2180, 2507, 3623, 5014, 7246, 10028, 12535, 14492, 18115, 25070, 36230, 50140, 72460, 83329, 166658, 333316, 394907, 416645, 789814, 833290, 1579628, 1666580, 1974535, 3949070, 7898140, 9082861, 18165722, 36331444, 45414305, 90828610, 181657220]

約数ペア:

[(1, 181657220), (2, 90828610), (4, 45414305), (5, 36331444), (10, 18165722), (20, 9082861), (23, 7898140), (46, 3949070), (92, 1974535), (109, 1666580), (115, 1579628), (218, 833290), (230, 789814), (436, 416645), (460, 394907), (545, 333316), (1090, 166658), (2180, 83329), (2507, 72460), (3623, 50140), (5014, 36230), (7246, 25070), (10028, 18115), (12535, 14492)]