138369140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10861}}^1$

素因数の和:10897

約数の個数: 72

約数和(自身を含む): 364050792

約数和(自身を除く): 225681652

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, 10861, 12740, 21722, 43444, 54305, 76027, 108610, 141193, 152054, 217220, 282386, 304108, 380135, 532189, 564772, 705965, 760270, 988351, 1064378, 1411930, 1520540, 1976702, 2128756, 2660945, 2823860, 3953404, 4941755, 5321890, 6918457, 9883510, 10643780, 13836914, 19767020, 27673828, 34592285, 69184570, 138369140]

約数ペア:

[(1, 138369140), (2, 69184570), (4, 34592285), (5, 27673828), (7, 19767020), (10, 13836914), (13, 10643780), (14, 9883510), (20, 6918457), (26, 5321890), (28, 4941755), (35, 3953404), (49, 2823860), (52, 2660945), (65, 2128756), (70, 1976702), (91, 1520540), (98, 1411930), (130, 1064378), (140, 988351), (182, 760270), (196, 705965), (245, 564772), (260, 532189), (364, 380135), (455, 304108), (490, 282386), (637, 217220), (910, 152054), (980, 141193), (1274, 108610), (1820, 76027), (2548, 54305), (3185, 43444), (6370, 21722), (10861, 12740)]