1340897740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{105251}}^1$

素因数の和:105287

約数の個数: 72

約数和(自身を含む): 3527626032

約数和(自身を除く): 2186728292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 105251, 210502, 421004, 526255, 736757, 1052510, 1368263, 1473514, 2105020, 2736526, 2947028, 3683785, 5157299, 5473052, 6841315, 7367570, 9577841, 10314598, 13682630, 14735140, 19155682, 20629196, 25786495, 27365260, 38311364, 47889205, 51572990, 67044887, 95778410, 103145980, 134089774, 191556820, 268179548, 335224435, 670448870, 1340897740]

約数ペア:

[(1, 1340897740), (2, 670448870), (4, 335224435), (5, 268179548), (7, 191556820), (10, 134089774), (13, 103145980), (14, 95778410), (20, 67044887), (26, 51572990), (28, 47889205), (35, 38311364), (49, 27365260), (52, 25786495), (65, 20629196), (70, 19155682), (91, 14735140), (98, 13682630), (130, 10314598), (140, 9577841), (182, 7367570), (196, 6841315), (245, 5473052), (260, 5157299), (364, 3683785), (455, 2947028), (490, 2736526), (637, 2105020), (910, 1473514), (980, 1368263), (1274, 1052510), (1820, 736757), (2548, 526255), (3185, 421004), (6370, 210502), (12740, 105251)]