161393540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{104801}}^1$

素因数の和:104828

約数の個数: 48

約数和(自身を含む): 422561664

約数和(自身を除く): 261168124

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 104801, 209602, 419204, 524005, 733607, 1048010, 1152811, 1467214, 2096020, 2305622, 2934428, 3668035, 4611244, 5764055, 7336070, 8069677, 11528110, 14672140, 16139354, 23056220, 32278708, 40348385, 80696770, 161393540]

約数ペア:

[(1, 161393540), (2, 80696770), (4, 40348385), (5, 32278708), (7, 23056220), (10, 16139354), (11, 14672140), (14, 11528110), (20, 8069677), (22, 7336070), (28, 5764055), (35, 4611244), (44, 3668035), (55, 2934428), (70, 2305622), (77, 2096020), (110, 1467214), (140, 1152811), (154, 1048010), (220, 733607), (308, 524005), (385, 419204), (770, 209602), (1540, 104801)]