2008188028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{43759}}^1$

素因数の和:43930

約数の個数: 48

約数和(自身を含む): 4411008000

約数和(自身を除く): 2402819972

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 149, 154, 298, 308, 596, 1043, 1639, 2086, 3278, 4172, 6556, 11473, 22946, 43759, 45892, 87518, 175036, 306313, 481349, 612626, 962698, 1225252, 1925396, 3369443, 6520091, 6738886, 13040182, 13477772, 26080364, 45640637, 71721001, 91281274, 143442002, 182562548, 286884004, 502047007, 1004094014, 2008188028]

約数ペア:

[(1, 2008188028), (2, 1004094014), (4, 502047007), (7, 286884004), (11, 182562548), (14, 143442002), (22, 91281274), (28, 71721001), (44, 45640637), (77, 26080364), (149, 13477772), (154, 13040182), (298, 6738886), (308, 6520091), (596, 3369443), (1043, 1925396), (1639, 1225252), (2086, 962698), (3278, 612626), (4172, 481349), (6556, 306313), (11473, 175036), (22946, 87518), (43759, 45892)]