1388240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 3844992

約数和(自身を除く): 2456752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 67, 70, 74, 80, 112, 134, 140, 148, 185, 259, 268, 280, 296, 335, 370, 469, 518, 536, 560, 592, 670, 740, 938, 1036, 1072, 1295, 1340, 1480, 1876, 2072, 2345, 2479, 2590, 2680, 2960, 3752, 4144, 4690, 4958, 5180, 5360, 7504, 9380, 9916, 10360, 12395, 17353, 18760, 19832, 20720, 24790, 34706, 37520, 39664, 49580, 69412, 86765, 99160, 138824, 173530, 198320, 277648, 347060, 694120, 1388240]

約数ペア:

[(1, 1388240), (2, 694120), (4, 347060), (5, 277648), (7, 198320), (8, 173530), (10, 138824), (14, 99160), (16, 86765), (20, 69412), (28, 49580), (35, 39664), (37, 37520), (40, 34706), (56, 24790), (67, 20720), (70, 19832), (74, 18760), (80, 17353), (112, 12395), (134, 10360), (140, 9916), (148, 9380), (185, 7504), (259, 5360), (268, 5180), (280, 4958), (296, 4690), (335, 4144), (370, 3752), (469, 2960), (518, 2680), (536, 2590), (560, 2479), (592, 2345), (670, 2072), (740, 1876), (938, 1480), (1036, 1340), (1072, 1295)]