280207202

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{911}}^1$

素因数の和:1007

約数の個数: 48

約数和(自身を含む): 489065472

約数和(自身を除く): 208858270

約数列:

[1, 2, 11, 22, 31, 41, 62, 82, 121, 242, 341, 451, 682, 902, 911, 1271, 1822, 2542, 3751, 4961, 7502, 9922, 10021, 13981, 20042, 27962, 28241, 37351, 56482, 74702, 110231, 153791, 220462, 307582, 310651, 410861, 621302, 821722, 1157881, 2315762, 3417161, 4519471, 6834322, 9038942, 12736691, 25473382, 140103601, 280207202]

約数ペア:

[(1, 280207202), (2, 140103601), (11, 25473382), (22, 12736691), (31, 9038942), (41, 6834322), (62, 4519471), (82, 3417161), (121, 2315762), (242, 1157881), (341, 821722), (451, 621302), (682, 410861), (902, 310651), (911, 307582), (1271, 220462), (1822, 153791), (2542, 110231), (3751, 74702), (4961, 56482), (7502, 37351), (9922, 28241), (10021, 27962), (13981, 20042)]