201405620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{1789}}^1$

素因数の和:2244

約数の個数: 48

約数和(自身を含む): 456793680

約数和(自身を除く): 255388060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 433, 866, 1732, 1789, 2165, 3578, 4330, 5629, 7156, 8660, 8945, 11258, 17890, 22516, 23257, 28145, 35780, 46514, 56290, 93028, 112580, 116285, 232570, 465140, 774637, 1549274, 3098548, 3873185, 7746370, 10070281, 15492740, 20140562, 40281124, 50351405, 100702810, 201405620]

約数ペア:

[(1, 201405620), (2, 100702810), (4, 50351405), (5, 40281124), (10, 20140562), (13, 15492740), (20, 10070281), (26, 7746370), (52, 3873185), (65, 3098548), (130, 1549274), (260, 774637), (433, 465140), (866, 232570), (1732, 116285), (1789, 112580), (2165, 93028), (3578, 56290), (4330, 46514), (5629, 35780), (7156, 28145), (8660, 23257), (8945, 22516), (11258, 17890)]