140589904

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 337533952

約数和(自身を除く): 196944048

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 223, 364, 433, 446, 728, 866, 892, 1456, 1561, 1732, 1784, 2899, 3031, 3122, 3464, 3568, 5629, 5798, 6062, 6244, 6928, 11258, 11596, 12124, 12488, 20293, 22516, 23192, 24248, 24976, 39403, 40586, 45032, 46384, 48496, 78806, 81172, 90064, 96559, 157612, 162344, 193118, 315224, 324688, 386236, 630448, 675913, 772472, 1255267, 1351826, 1544944, 2510534, 2703652, 5021068, 5407304, 8786869, 10042136, 10814608, 17573738, 20084272, 35147476, 70294952, 140589904]

約数ペア:

[(1, 140589904), (2, 70294952), (4, 35147476), (7, 20084272), (8, 17573738), (13, 10814608), (14, 10042136), (16, 8786869), (26, 5407304), (28, 5021068), (52, 2703652), (56, 2510534), (91, 1544944), (104, 1351826), (112, 1255267), (182, 772472), (208, 675913), (223, 630448), (364, 386236), (433, 324688), (446, 315224), (728, 193118), (866, 162344), (892, 157612), (1456, 96559), (1561, 90064), (1732, 81172), (1784, 78806), (2899, 48496), (3031, 46384), (3122, 45032), (3464, 40586), (3568, 39403), (5629, 24976), (5798, 24248), (6062, 23192), (6244, 22516), (6928, 20293), (11258, 12488), (11596, 12124)]