1389931270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41281}}^1$

素因数の和:41345

約数の個数: 64

約数和(自身を含む): 3162531456

約数和(自身を除く): 1772600186

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 65, 70, 74, 91, 130, 182, 185, 259, 370, 455, 481, 518, 910, 962, 1295, 2405, 2590, 3367, 4810, 6734, 16835, 33670, 41281, 82562, 206405, 288967, 412810, 536653, 577934, 1073306, 1444835, 1527397, 2683265, 2889670, 3054794, 3756571, 5366530, 7513142, 7636985, 10691779, 15273970, 18782855, 19856161, 21383558, 37565710, 39712322, 53458895, 99280805, 106917790, 138993127, 198561610, 277986254, 694965635, 1389931270]

約数ペア:

[(1, 1389931270), (2, 694965635), (5, 277986254), (7, 198561610), (10, 138993127), (13, 106917790), (14, 99280805), (26, 53458895), (35, 39712322), (37, 37565710), (65, 21383558), (70, 19856161), (74, 18782855), (91, 15273970), (130, 10691779), (182, 7636985), (185, 7513142), (259, 5366530), (370, 3756571), (455, 3054794), (481, 2889670), (518, 2683265), (910, 1527397), (962, 1444835), (1295, 1073306), (2405, 577934), (2590, 536653), (3367, 412810), (4810, 288967), (6734, 206405), (16835, 82562), (33670, 41281)]