280132295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:200

約数の個数: 64

約数和(自身を含む): 391910400

約数和(自身を除く): 111778105

約数列:

[1, 5, 19, 23, 41, 53, 59, 95, 115, 205, 265, 295, 437, 779, 943, 1007, 1121, 1219, 1357, 2173, 2185, 2419, 3127, 3895, 4715, 5035, 5605, 6095, 6785, 10865, 12095, 15635, 17917, 23161, 25783, 41287, 45961, 49979, 55637, 59413, 71921, 89585, 115805, 128207, 128915, 206435, 229805, 249895, 278185, 297065, 359605, 641035, 949601, 1057103, 1366499, 2435933, 2948761, 4748005, 5285515, 6832495, 12179665, 14743805, 56026459, 280132295]

約数ペア:

[(1, 280132295), (5, 56026459), (19, 14743805), (23, 12179665), (41, 6832495), (53, 5285515), (59, 4748005), (95, 2948761), (115, 2435933), (205, 1366499), (265, 1057103), (295, 949601), (437, 641035), (779, 359605), (943, 297065), (1007, 278185), (1121, 249895), (1219, 229805), (1357, 206435), (2173, 128915), (2185, 128207), (2419, 115805), (3127, 89585), (3895, 71921), (4715, 59413), (5035, 55637), (5605, 49979), (6095, 45961), (6785, 41287), (10865, 25783), (12095, 23161), (15635, 17917)]