490970810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{2039}}^1$

素因数の和:2267

約数の個数: 48

約数和(自身を含む): 976752000

約数和(自身を除く): 485781190

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 199, 242, 398, 605, 995, 1210, 1990, 2039, 2189, 4078, 4378, 10195, 10945, 20390, 21890, 22429, 24079, 44858, 48158, 112145, 120395, 224290, 240790, 246719, 405761, 493438, 811522, 1233595, 2028805, 2467190, 4057610, 4463371, 8926742, 22316855, 44633710, 49097081, 98194162, 245485405, 490970810]

約数ペア:

[(1, 490970810), (2, 245485405), (5, 98194162), (10, 49097081), (11, 44633710), (22, 22316855), (55, 8926742), (110, 4463371), (121, 4057610), (199, 2467190), (242, 2028805), (398, 1233595), (605, 811522), (995, 493438), (1210, 405761), (1990, 246719), (2039, 240790), (2189, 224290), (4078, 120395), (4378, 112145), (10195, 48158), (10945, 44858), (20390, 24079), (21890, 22429)]