169448840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20269}}^1$

素因数の和:20310

約数の個数: 64

約数和(自身を含む): 437832000

約数和(自身を除く): 268383160

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 20269, 40538, 81076, 101345, 162152, 202690, 222959, 385111, 405380, 445918, 770222, 810760, 891836, 1114795, 1540444, 1783672, 1925555, 2229590, 3080888, 3851110, 4236221, 4459180, 7702220, 8472442, 8918360, 15404440, 16944884, 21181105, 33889768, 42362210, 84724420, 169448840]

約数ペア:

[(1, 169448840), (2, 84724420), (4, 42362210), (5, 33889768), (8, 21181105), (10, 16944884), (11, 15404440), (19, 8918360), (20, 8472442), (22, 7702220), (38, 4459180), (40, 4236221), (44, 3851110), (55, 3080888), (76, 2229590), (88, 1925555), (95, 1783672), (110, 1540444), (152, 1114795), (190, 891836), (209, 810760), (220, 770222), (380, 445918), (418, 405380), (440, 385111), (760, 222959), (836, 202690), (1045, 162152), (1672, 101345), (2090, 81076), (4180, 40538), (8360, 20269)]