127408940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 272842752

約数和(自身を除く): 145433812

約数列:

[1, 2, 4, 5, 10, 20, 103, 127, 206, 254, 412, 487, 508, 515, 635, 974, 1030, 1270, 1948, 2060, 2435, 2540, 4870, 9740, 13081, 26162, 50161, 52324, 61849, 65405, 100322, 123698, 130810, 200644, 247396, 250805, 261620, 309245, 501610, 618490, 1003220, 1236980, 6370447, 12740894, 25481788, 31852235, 63704470, 127408940]

約数ペア:

[(1, 127408940), (2, 63704470), (4, 31852235), (5, 25481788), (10, 12740894), (20, 6370447), (103, 1236980), (127, 1003220), (206, 618490), (254, 501610), (412, 309245), (487, 261620), (508, 250805), (515, 247396), (635, 200644), (974, 130810), (1030, 123698), (1270, 100322), (1948, 65405), (2060, 61849), (2435, 52324), (2540, 50161), (4870, 26162), (9740, 13081)]